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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" xlink:type="locator"/>
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    <label id="id_24288_451374_2_1" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains from securities, net of reclassification adjustments</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:type="locator"/>
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    <label id="id_24288_448388_2_1" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains from derivative instruments qualifying for cash flow hedges</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:type="locator"/>
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    <label id="id_24288_445015_2_1" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive income (loss):</label>
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    <label id="id_24288_456429_1_1" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdvertisingCostsPolicyTextBlock" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock" xlink:type="locator"/>
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    <label id="id_24288_451671_2_1" xlink:label="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advertising costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvertisingCostsPolicyTextBlock" xlink:to="us-gaap_AdvertisingCostsPolicyTextBlock_lbl" xlink:type="arc"/>
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    <label id="id_24288_452457_2_1" xlink:label="us-gaap_AdvertisingExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advertising costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdvertisingExpense" xlink:to="us-gaap_AdvertisingExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_AllOtherMember" xlink:label="nj_AllOtherMember" xlink:type="locator"/>
    <label id="id_24288_470268_3_1" xlink:label="nj_AllOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">All Other [Member]</label>
    <label id="id_24288_470268_1_1" xlink:label="nj_AllOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Other [Member]</label>
    <label id="id_24288_470268_2_1" xlink:label="nj_AllOtherMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Others</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_AllOtherMember" xlink:to="nj_AllOtherMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember" xlink:type="locator"/>
    <label id="id_24288_454710_1_1" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Other Segments [Member]</label>
    <label id="id_24288_454710_2_1" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All others</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllOtherSegmentsMember" xlink:to="us-gaap_AllOtherSegmentsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsMember" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember" xlink:type="locator"/>
    <label id="id_24288_444860_1_1" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Accounts [Member]</label>
    <label id="id_24288_444860_2_1" xlink:label="us-gaap_AllowanceForDoubtfulAccountsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsMember" xlink:to="us-gaap_AllowanceForDoubtfulAccountsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent" xlink:type="locator"/>
    <label id="id_24288_456179_1_1" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Accounts Receivable Noncurrent</label>
    <label id="id_24288_456179_2_1" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current assets, allowance for doubtful accounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent" xlink:to="us-gaap_AllowanceForDoubtfulAccountsReceivableNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_AllowanceForDoubtfulAccountsTableTextBlock" xlink:label="nj_AllowanceForDoubtfulAccountsTableTextBlock" xlink:type="locator"/>
    <label id="id_24288_475912_3_1" xlink:label="nj_AllowanceForDoubtfulAccountsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts, Table [Text Block]</label>
    <label id="id_24288_475912_1_1" xlink:label="nj_AllowanceForDoubtfulAccountsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Accounts Table [Text Block]</label>
    <label id="id_24288_475912_2_1" xlink:label="nj_AllowanceForDoubtfulAccountsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Doubtful Accounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_AllowanceForDoubtfulAccountsTableTextBlock" xlink:to="nj_AllowanceForDoubtfulAccountsTableTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_AllowanceForDoubtfulAccountsTextBlock" xlink:label="nj_AllowanceForDoubtfulAccountsTextBlock" xlink:type="locator"/>
    <label id="id_24288_475151_3_1" xlink:label="nj_AllowanceForDoubtfulAccountsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Accounts [Text Block]</label>
    <label id="id_24288_475151_1_1" xlink:label="nj_AllowanceForDoubtfulAccountsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Accounts [Text Block]</label>
    <label id="id_24288_475151_2_1" xlink:label="nj_AllowanceForDoubtfulAccountsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for doubtful accounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_AllowanceForDoubtfulAccountsTextBlock" xlink:to="nj_AllowanceForDoubtfulAccountsTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent" xlink:label="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent" xlink:type="locator"/>
    <label id="id_24288_459822_3_1" xlink:label="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A valuation allowance for trade notes and accounts receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.</label>
    <label id="id_24288_459822_1_1" xlink:label="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance For Doubtful Trade Notes And Accounts Receivable Current</label>
    <label id="id_24288_459822_2_1" xlink:label="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade notes and accounts receivable, allowance for doubtful accounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent" xlink:to="nj_AllowanceForDoubtfulTradeNotesAndAccountsReceivableCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" xlink:type="locator"/>
    <label id="id_24288_440685_1_1" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</label>
    <label id="id_24288_440685_2_1" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfLeasedAsset" xlink:label="us-gaap_AmortizationOfLeasedAsset" xlink:type="locator"/>
    <label id="id_24288_447952_1_1" xlink:label="us-gaap_AmortizationOfLeasedAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization Of Leased Asset</label>
    <label id="id_24288_447952_2_1" xlink:label="us-gaap_AmortizationOfLeasedAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization expenses under capital leases</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfLeasedAsset" xlink:to="us-gaap_AmortizationOfLeasedAsset_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges" xlink:type="locator"/>
    <label id="id_24288_449411_1_1" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Impairment Charges</label>
    <label id="id_24288_449411_2_1" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total exit costs, amount attributable to impairment loss of goodwill</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="us-gaap_AssetImpairmentCharges_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetRetirementObligationCurrent" xlink:label="us-gaap_AssetRetirementObligationCurrent" xlink:type="locator"/>
    <label id="id_24288_444743_1_1" xlink:label="us-gaap_AssetRetirementObligationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Retirement Obligation Current</label>
    <label id="id_24288_444743_2_1" xlink:label="us-gaap_AssetRetirementObligationCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payable for property, plant and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetRetirementObligationCurrent" xlink:to="us-gaap_AssetRetirementObligationCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" xlink:type="locator"/>
    <label id="id_24288_445113_1_1" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</label>
    <label id="id_24288_445113_2_1" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated total</label>
    <label id="id_24288_445113_6_1" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" xlink:type="locator"/>
    <label id="id_24288_450333_1_1" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</label>
    <label id="id_24288_450333_2_1" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</label>
    <label id="id_24288_450333_12_1" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Segment assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" xlink:type="locator"/>
    <label id="id_24288_447705_1_1" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Current</label>
    <label id="id_24288_447705_6_1" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" xlink:type="locator"/>
    <label id="id_24288_448471_1_1" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Current [Abstract]</label>
    <label id="id_24288_448471_2_1" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosure" xlink:label="us-gaap_AssetsFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_445178_1_1" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Fair Value Disclosure</label>
    <label id="id_24288_445178_6_1" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosure" xlink:to="us-gaap_AssetsFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract" xlink:type="locator"/>
    <label id="id_24288_452694_1_1" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Fair Value Disclosure [Abstract]</label>
    <label id="id_24288_452694_2_1" xlink:label="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="us-gaap_AssetsFairValueDisclosureAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsNetAbstract" xlink:label="us-gaap_AssetsNetAbstract" xlink:type="locator"/>
    <label id="id_24288_444411_1_1" xlink:label="us-gaap_AssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Net [Abstract]</label>
    <label id="id_24288_444411_2_1" xlink:label="us-gaap_AssetsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount of Asset (Liability)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsNetAbstract" xlink:to="us-gaap_AssetsNetAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax" xlink:label="us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax" xlink:type="locator"/>
    <label id="id_24288_443365_1_1" xlink:label="us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax</label>
    <label id="id_24288_443365_2_1" xlink:label="us-gaap_AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in net unrealized gain on available-for-sale securities included as a component of accumulated other comprehensive income, net of applicable taxes</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1" xlink:label="us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses1" xlink:type="locator"/>
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    <label id="id_24288_440939_2_1" xlink:label="us-gaap_AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less than 12 months Unrealized loss</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:type="locator"/>
    <label id="id_24288_450375_1_1" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value</label>
    <label id="id_24288_450375_2_1" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less than 12 months Fair value</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:type="locator"/>
    <label id="id_24288_448226_1_1" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value</label>
    <label id="id_24288_448226_2_1" xlink:label="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">12 months or more Fair value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:to="us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:type="locator"/>
    <label id="id_24288_440859_1_1" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Gross Realized Gains</label>
    <label id="id_24288_440859_2_1" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross realized gains on sales of available-for-sale securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:type="locator"/>
    <label id="id_24288_445264_1_1" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Gross Realized Losses</label>
    <label id="id_24288_445264_2_1" xlink:label="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross realized losses on sales of available-for-sale securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AvailableforsaleSecuritiesMember" xlink:label="us-gaap_AvailableforsaleSecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_452225_1_1" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Availableforsale Securities [Member]</label>
    <label id="id_24288_452225_2_1" xlink:label="us-gaap_AvailableforsaleSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableforsaleSecuritiesMember" xlink:to="us-gaap_AvailableforsaleSecuritiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="us-gaap_BalanceSheetLocationDomain" xlink:type="locator"/>
    <label id="id_24288_447323_1_1" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</label>
    <label id="id_24288_447323_2_1" xlink:label="us-gaap_BalanceSheetLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationDomain" xlink:to="us-gaap_BalanceSheetLocationDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_BenefitObligationsMember" xlink:label="nj_BenefitObligationsMember" xlink:type="locator"/>
    <label id="id_24288_469549_3_1" xlink:label="nj_BenefitObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Benefit Obligations [Member]</label>
    <label id="id_24288_469549_1_1" xlink:label="nj_BenefitObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Benefit Obligations [Member]</label>
    <label id="id_24288_469549_2_1" xlink:label="nj_BenefitObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Benefit Obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_BenefitObligationsMember" xlink:to="nj_BenefitObligationsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="us-gaap_BuildingsAndImprovementsGross" xlink:type="locator"/>
    <label id="id_24288_442314_1_1" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings And Improvements Gross</label>
    <label id="id_24288_442314_2_1" xlink:label="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="us-gaap_BuildingsAndImprovementsGross_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="locator"/>
    <label id="id_24288_454631_1_1" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Acquiree [Domain]</label>
    <label id="id_24288_454631_2_1" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:type="locator"/>
    <label id="id_24288_452537_1_1" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</label>
    <label id="id_24288_452537_2_1" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:type="locator"/>
    <label id="id_24288_446362_1_1" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Cost Of Acquired Entity Cash Paid</label>
    <label id="id_24288_446362_2_1" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business acquisition, cash paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems" xlink:type="locator"/>
    <label id="id_24288_448601_1_1" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Line Items]</label>
    <label id="id_24288_448601_2_1" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionLineItems" xlink:to="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_BusinessAcquisitionNumberOfSharesAcquired" xlink:label="nj_BusinessAcquisitionNumberOfSharesAcquired" xlink:type="locator"/>
    <label id="id_24288_466924_3_1" xlink:label="nj_BusinessAcquisitionNumberOfSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Acquisition, Number of Shares Acquired</label>
    <label id="id_24288_466924_1_1" xlink:label="nj_BusinessAcquisitionNumberOfSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Number Of Shares Acquired</label>
    <label id="id_24288_466924_2_1" xlink:label="nj_BusinessAcquisitionNumberOfSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business acquisition, number of shares acquired</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_BusinessAcquisitionNumberOfSharesAcquired" xlink:to="nj_BusinessAcquisitionNumberOfSharesAcquired_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:type="locator"/>
    <label id="id_24288_453779_1_1" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Percentage Of Voting Interests Acquired</label>
    <label id="id_24288_453779_2_1" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business acquisition, percentage of ownership acquired</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:to="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_BusinessAcquisitionShareExchangeRatio" xlink:label="nj_BusinessAcquisitionShareExchangeRatio" xlink:type="locator"/>
    <label id="id_24288_474076_3_1" xlink:label="nj_BusinessAcquisitionShareExchangeRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business Acquisition, Share Exchange Ratio</label>
    <label id="id_24288_474076_1_1" xlink:label="nj_BusinessAcquisitionShareExchangeRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Share Exchange Ratio</label>
    <label id="id_24288_474076_2_1" xlink:label="nj_BusinessAcquisitionShareExchangeRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares allocated for each common share of Nidec Sankyo Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_BusinessAcquisitionShareExchangeRatio" xlink:to="nj_BusinessAcquisitionShareExchangeRatio_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessIntersegmentEliminationsMember" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember" xlink:type="locator"/>
    <label id="id_24288_442038_1_1" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Intersegment Eliminations [Member]</label>
    <label id="id_24288_442038_2_1" xlink:label="us-gaap_BusinessIntersegmentEliminationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Intersegment, Eliminations</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasedAssetsGross" xlink:label="us-gaap_CapitalLeasedAssetsGross" xlink:type="locator"/>
    <label id="id_24288_449119_1_1" xlink:label="us-gaap_CapitalLeasedAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leased Assets Gross</label>
    <label id="id_24288_449119_2_1" xlink:label="us-gaap_CapitalLeasedAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasedAssetsGross" xlink:to="us-gaap_CapitalLeasedAssetsGross_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations" xlink:type="locator"/>
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    <label id="id_24288_456221_2_1" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term capital lease obligations Due 2011 to 2017 in 2011, with interest from 0.18% to 12.43% per annum in 2011 Due 2012 to 2026 in 2012, with interest from 0.00% to 9.15% per annum in 2012</label>
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    <label id="id_24288_442256_8_1" xlink:label="us-gaap_CapitalLeaseObligationsCurrent_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Less-Current obligations</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeaseObligationsIncurred" xlink:label="us-gaap_CapitalLeaseObligationsIncurred" xlink:type="locator"/>
    <label id="id_24288_442521_1_1" xlink:label="us-gaap_CapitalLeaseObligationsIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations Incurred</label>
    <label id="id_24288_442521_2_1" xlink:label="us-gaap_CapitalLeaseObligationsIncurred_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital lease obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsIncurred" xlink:to="us-gaap_CapitalLeaseObligationsIncurred_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeaseObligationsMember" xlink:label="us-gaap_CapitalLeaseObligationsMember" xlink:type="locator"/>
    <label id="id_24288_441538_1_1" xlink:label="us-gaap_CapitalLeaseObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations [Member]</label>
    <label id="id_24288_441538_2_1" xlink:label="us-gaap_CapitalLeaseObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsMember" xlink:to="us-gaap_CapitalLeaseObligationsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeaseObligationsNoncurrent" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent" xlink:type="locator"/>
    <label id="id_24288_442017_1_1" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations Noncurrent</label>
    <label id="id_24288_442017_2_1" xlink:label="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term capital lease obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligationsNoncurrent" xlink:to="us-gaap_CapitalLeaseObligationsNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:type="locator"/>
    <label id="id_24288_453044_1_1" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Balance Sheet Assets By Major Class Net</label>
    <label id="id_24288_453044_2_1" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Leases, Balance Sheet, Assets by Major Class, Net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet" xlink:to="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract" xlink:type="locator"/>
    <label id="id_24288_443035_1_1" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Balance Sheet Assets By Major Class Net Lessee Balance Sheet [Abstract]</label>
    <label id="id_24288_443035_2_1" xlink:label="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of property</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract" xlink:to="us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNetLesseeBalanceSheetAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:type="locator"/>
    <label id="id_24288_451280_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due</label>
    <label id="id_24288_451280_6_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total minimum lease payments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:type="locator"/>
    <label id="id_24288_446168_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due Current</label>
    <label id="id_24288_446168_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:type="locator"/>
    <label id="id_24288_454776_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due In Five Years</label>
    <label id="id_24288_454776_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="locator"/>
    <label id="id_24288_455352_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due In Four Years</label>
    <label id="id_24288_455352_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="locator"/>
    <label id="id_24288_444972_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due In Three Years</label>
    <label id="id_24288_444972_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="locator"/>
    <label id="id_24288_449053_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due In Two Years</label>
    <label id="id_24288_449053_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:type="locator"/>
    <label id="id_24288_446633_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Due Thereafter</label>
    <label id="id_24288_446633_2_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 and thereafter</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:type="locator"/>
    <label id="id_24288_453571_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Interest Included In Payments</label>
    <label id="id_24288_453571_8_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Less-Amount representing interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:type="locator"/>
    <label id="id_24288_451140_1_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments</label>
    <label id="id_24288_451140_6_1" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Present value of net minimum lease payments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:type="locator"/>
    <label id="id_24288_448028_1_1" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation</label>
    <label id="id_24288_448028_8_1" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Less-Accumulated amortization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation" xlink:to="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment" xlink:type="locator"/>
    <label id="id_24288_443374_1_1" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases Lessee Balance Sheet Assets By Major Class Other Property Plant And Equipment</label>
    <label id="id_24288_443374_2_1" xlink:label="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other leased assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment" xlink:to="us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassOtherPropertyPlantAndEquipment_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="locator"/>
    <label id="id_24288_449216_1_1" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents At Carrying Value</label>
    <label id="id_24288_449216_4_1" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of year</label>
    <label id="id_24288_449216_5_1" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at beginning of year</label>
    <label id="id_24288_449216_2_1" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_442943_1_1" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents Fair Value Disclosure</label>
    <label id="id_24288_442943_2_1" xlink:label="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsFairValueDisclosure" xlink:to="us-gaap_CashAndCashEquivalentsFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsMember" xlink:label="us-gaap_CashAndCashEquivalentsMember" xlink:type="locator"/>
    <label id="id_24288_446335_1_1" xlink:label="us-gaap_CashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents [Member]</label>
    <label id="id_24288_446335_2_1" xlink:label="us-gaap_CashAndCashEquivalentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsMember" xlink:to="us-gaap_CashAndCashEquivalentsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="locator"/>
    <label id="id_24288_452867_1_1" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents Period Increase Decrease</label>
    <label id="id_24288_452867_6_1" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net (decrease) increase in cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_454014_1_1" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash And Cash Equivalents Policy [Text Block]</label>
    <label id="id_24288_454014_2_1" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CashEquivalentsOriginalMaturity" xlink:label="nj_CashEquivalentsOriginalMaturity" xlink:type="locator"/>
    <label id="id_24288_474175_3_1" xlink:label="nj_CashEquivalentsOriginalMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Equivalents, Original Maturity</label>
    <label id="id_24288_474175_1_1" xlink:label="nj_CashEquivalentsOriginalMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Equivalents Original Maturity</label>
    <label id="id_24288_474175_2_1" xlink:label="nj_CashEquivalentsOriginalMaturity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents, maximum original maturities of highly liquid investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CashEquivalentsOriginalMaturity" xlink:to="nj_CashEquivalentsOriginalMaturity_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:label="us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:type="locator"/>
    <label id="id_24288_448006_1_1" xlink:label="us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months</label>
    <label id="id_24288_448006_2_1" xlink:label="us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net gain in accumulated other comprehensive income expected to be reclassified into earnings within the next 12 months</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" xlink:to="us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="locator"/>
    <label id="id_24288_448139_1_1" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]</label>
    <label id="id_24288_448139_2_1" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-cash investing and financing activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:type="locator"/>
    <label id="id_24288_454128_1_1" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Supplemental Disclosures [Text Block]</label>
    <label id="id_24288_454128_2_1" xlink:label="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental cash flow information</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowSupplementalDisclosuresTextBlock" xlink:to="us-gaap_CashFlowSupplementalDisclosuresTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CashPaidDuringPeriodForAbstract" xlink:label="nj_CashPaidDuringPeriodForAbstract" xlink:type="locator"/>
    <label id="id_24288_457105_3_1" xlink:label="nj_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Paid During Period For [Abstract]</label>
    <label id="id_24288_457105_1_1" xlink:label="nj_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Paid During Period For [Abstract]</label>
    <label id="id_24288_457105_2_1" xlink:label="nj_CashPaidDuringPeriodForAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash paid during the fiscal year for:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CashPaidDuringPeriodForAbstract" xlink:to="nj_CashPaidDuringPeriodForAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:type="locator"/>
    <label id="id_24288_451365_1_1" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Estimate By Type [Axis]</label>
    <label id="id_24288_451365_2_1" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Accounting Estimate by Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:to="us-gaap_ChangeInAccountingEstimateByTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss" xlink:type="locator"/>
    <label id="id_24288_487685_3_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Accounting Estimate, Financial Effect, Net Income (Loss)</label>
    <label id="id_24288_487685_1_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Estimate Financial Effect Net Income Loss</label>
    <label id="id_24288_487685_2_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in Income from continuing operations due to change in depreciation method</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss" xlink:to="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare" xlink:type="locator"/>
    <label id="id_24288_474026_3_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Accounting Estimate, Financial Effect, Net Income Loss Per Share</label>
    <label id="id_24288_474026_1_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Estimate Financial Effect Net Income Loss Per Share</label>
    <label id="id_24288_474026_2_1" xlink:label="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in earning per share due to change in depreciation method</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare" xlink:to="nj_ChangeInAccountingEstimateFinancialEffectNetIncomeLossPerShare_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:type="locator"/>
    <label id="id_24288_444764_1_1" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Estimate Type [Domain]</label>
    <label id="id_24288_444764_2_1" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Accounting Estimate, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:to="us-gaap_ChangeInAccountingEstimateTypeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember" xlink:label="us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember" xlink:type="locator"/>
    <label id="id_24288_443784_1_1" xlink:label="us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Method Accounted For As Change In Estimate [Member]</label>
    <label id="id_24288_443784_2_1" xlink:label="us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Accounting Method Accounted for as Change in Estimate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember" xlink:to="us-gaap_ChangeInAccountingMethodAccountedForAsChangeInEstimateMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInAccountingPrincipleMember" xlink:label="us-gaap_ChangeInAccountingPrincipleMember" xlink:type="locator"/>
    <label id="id_24288_441271_1_1" xlink:label="us-gaap_ChangeInAccountingPrincipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Accounting Principle [Member]</label>
    <label id="id_24288_441271_2_1" xlink:label="us-gaap_ChangeInAccountingPrincipleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInAccountingPrincipleMember" xlink:to="us-gaap_ChangeInAccountingPrincipleMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInBenefitObligationAsAresultOfPlanAmendment" xlink:label="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment" xlink:type="locator"/>
    <label id="id_24288_462966_3_1" xlink:label="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in benefit obligation as a result of Plan Amendment</label>
    <label id="id_24288_462966_1_1" xlink:label="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Benefit Obligation As Aresult Of Plan Amendment</label>
    <label id="id_24288_462966_8_1" xlink:label="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Plan amendment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment" xlink:to="nj_ChangeInBenefitObligationAsAresultOfPlanAmendment_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction" xlink:label="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction" xlink:type="locator"/>
    <label id="id_24288_479111_3_1" xlink:label="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Common Stock in Connection with Share Exchange Transaction</label>
    <label id="id_24288_479111_1_1" xlink:label="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Common Stock In Connection With Share Exchange Transaction</label>
    <label id="id_24288_479111_2_1" xlink:label="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in common stock in connection with share exchange transaction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction" xlink:to="nj_ChangeInCommonStockInConnectionWithShareExchangeTransaction_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates" xlink:label="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates" xlink:type="locator"/>
    <label id="id_24288_465758_3_1" xlink:label="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Income Loss from Continuing Operations Before Income Taxes Minority Interest and Income Loss from Equity Method Investments Due to Change in Estimates</label>
    <label id="id_24288_465758_1_1" xlink:label="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Due To Change In Estimates</label>
    <label id="id_24288_465758_2_1" xlink:label="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in Income from continuing operations before income taxes due to change in depreciation method</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates" xlink:to="nj_ChangeInIncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsDueToChangeInEstimates_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChangeInTaxStatusMember" xlink:label="us-gaap_ChangeInTaxStatusMember" xlink:type="locator"/>
    <label id="id_24288_445137_1_1" xlink:label="us-gaap_ChangeInTaxStatusMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Tax Status [Member]</label>
    <label id="id_24288_445137_2_1" xlink:label="us-gaap_ChangeInTaxStatusMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Tax Status</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChangeInTaxStatusMember" xlink:to="us-gaap_ChangeInTaxStatusMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction" xlink:label="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction" xlink:type="locator"/>
    <label id="id_24288_479112_3_1" xlink:label="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in Treasury Stock in Connection with Share Exchange Transaction</label>
    <label id="id_24288_479112_1_1" xlink:label="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Treasury Stock In Connection With Share Exchange Transaction</label>
    <label id="id_24288_479112_2_1" xlink:label="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in treasury stock in connection with share exchange transaction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction" xlink:to="nj_ChangeInTreasuryStockInConnectionWithShareExchangeTransaction_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChangesInOwnershipInterestsInSubsidiaries" xlink:label="nj_ChangesInOwnershipInterestsInSubsidiaries" xlink:type="locator"/>
    <label id="id_24288_461924_3_1" xlink:label="nj_ChangesInOwnershipInterestsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Changes In Ownership Interests In Subsidiaries</label>
    <label id="id_24288_461924_1_1" xlink:label="nj_ChangesInOwnershipInterestsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changes In Ownership Interests In Subsidiaries</label>
    <label id="id_24288_461924_2_1" xlink:label="nj_ChangesInOwnershipInterestsInSubsidiaries_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in ownership of Nidec Servo in connection with share exchange transaction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChangesInOwnershipInterestsInSubsidiaries" xlink:to="nj_ChangesInOwnershipInterestsInSubsidiaries_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ChiefExecutiveOfficerMember" xlink:label="us-gaap_ChiefExecutiveOfficerMember" xlink:type="locator"/>
    <label id="id_24288_452002_1_1" xlink:label="us-gaap_ChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chief Executive Officer [Member]</label>
    <label id="id_24288_452002_2_1" xlink:label="us-gaap_ChiefExecutiveOfficerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chief Executive Officer</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ChiefExecutiveOfficerMember" xlink:to="us-gaap_ChiefExecutiveOfficerMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_ChinaGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466308_3_1" xlink:label="nj_ChinaGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Amount of depreciation expense for the reportable segment. Information should be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466308_1_1" xlink:label="nj_ChinaGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466308_2_1" xlink:label="nj_ChinaGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_ChinaGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466310_3_1" xlink:label="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.</label>
    <label id="id_24288_466310_1_1" xlink:label="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466310_2_1" xlink:label="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_ChinaGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466304_3_1" xlink:label="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Amount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466304_1_1" xlink:label="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466304_2_1" xlink:label="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_ChinaGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466303_3_1" xlink:label="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Amount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466303_1_1" xlink:label="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466303_2_1" xlink:label="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_ChinaGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingSegmentAssets" xlink:label="nj_ChinaGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466311_3_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Total assets for reportable segments.</label>
    <label id="id_24288_466311_1_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466311_2_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingSegmentAssets" xlink:to="nj_ChinaGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_485811_3_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">China Gaap - Segment Reporting, Segment Operating Profit (Loss)</label>
    <label id="id_24288_485811_1_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">China Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_485811_2_1" xlink:label="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_ChinaGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_CN" xlink:label="country_CN" xlink:type="locator"/>
    <label id="id_24288_440506_1_1" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">C N</label>
    <label id="id_24288_440506_2_1" xlink:label="country_CN_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">China</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CN" xlink:to="country_CN_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommercialPaper" xlink:label="us-gaap_CommercialPaper" xlink:type="locator"/>
    <label id="id_24288_449148_1_1" xlink:label="us-gaap_CommercialPaper_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Paper</label>
    <label id="id_24288_449148_8_1" xlink:label="us-gaap_CommercialPaper_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Commercial papers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialPaper" xlink:to="us-gaap_CommercialPaper_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CommercialPaperFairValueDisclosure" xlink:label="nj_CommercialPaperFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_480778_3_1" xlink:label="nj_CommercialPaperFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial Paper, Fair Value Disclosure</label>
    <label id="id_24288_480778_1_1" xlink:label="nj_CommercialPaperFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Paper Fair Value Disclosure</label>
    <label id="id_24288_480778_8_1" xlink:label="nj_CommercialPaperFairValueDisclosure_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Commercial papers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CommercialPaperFairValueDisclosure" xlink:to="nj_CommercialPaperFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommercialPaperMember" xlink:label="us-gaap_CommercialPaperMember" xlink:type="locator"/>
    <label id="id_24288_453489_1_1" xlink:label="us-gaap_CommercialPaperMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Paper [Member]</label>
    <label id="id_24288_453489_2_1" xlink:label="us-gaap_CommercialPaperMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial Paper</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommercialPaperMember" xlink:to="us-gaap_CommercialPaperMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies" xlink:type="locator"/>
    <label id="id_24288_446374_1_1" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies</label>
    <label id="id_24288_446374_2_1" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (Note 21 and 23)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CommitmentsAndContingenciesDisclosureLineItems" xlink:label="nj_CommitmentsAndContingenciesDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457477_3_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Line Items]</label>
    <label id="id_24288_457477_1_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies Disclosure [Line Items]</label>
    <label id="id_24288_457477_2_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CommitmentsAndContingenciesDisclosureLineItems" xlink:to="nj_CommitmentsAndContingenciesDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CommitmentsAndContingenciesDisclosureTable" xlink:label="nj_CommitmentsAndContingenciesDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476407_3_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Table]</label>
    <label id="id_24288_476407_1_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies Disclosure [Table]</label>
    <label id="id_24288_476407_2_1" xlink:label="nj_CommitmentsAndContingenciesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CommitmentsAndContingenciesDisclosureTable" xlink:to="nj_CommitmentsAndContingenciesDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_443397_1_1" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies Disclosure [Text Block]</label>
    <label id="id_24288_443397_2_1" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other commitments and contingencies, concentrations and factors that may affect future operations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:type="locator"/>
    <label id="id_24288_446601_1_1" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Dividends Per Share Cash Paid</label>
    <label id="id_24288_446601_2_1" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash dividends paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareCashPaid" xlink:to="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" xlink:type="locator"/>
    <label id="id_24288_450633_1_1" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Dividends Per Share Declared</label>
    <label id="id_24288_450633_2_1" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings, cash dividends per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember" xlink:type="locator"/>
    <label id="id_24288_444581_1_1" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</label>
    <label id="id_24288_444581_2_1" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" xlink:type="locator"/>
    <label id="id_24288_454829_1_1" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Shares Authorized</label>
    <label id="id_24288_454829_2_1" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, authorized</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" xlink:type="locator"/>
    <label id="id_24288_447408_1_1" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Shares Outstanding</label>
    <label id="id_24288_447408_2_1" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, issued and outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" xlink:type="locator"/>
    <label id="id_24288_445860_1_1" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Value</label>
    <label id="id_24288_445860_2_1" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock authorized 2011 and 2012: 480,000,000 shares; issued and outstanding: 2011- 145,075,080 shares / 2012- 145,075,080 shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CompactDigitalCameraLensUnitBusinessMember" xlink:label="nj_CompactDigitalCameraLensUnitBusinessMember" xlink:type="locator"/>
    <label id="id_24288_588211_3_1" xlink:label="nj_CompactDigitalCameraLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Compact Digital Camera Lens Unit Business [Member]</label>
    <label id="id_24288_588211_1_1" xlink:label="nj_CompactDigitalCameraLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compact Digital Camera Lens Unit Business [Member]</label>
    <label id="id_24288_588211_2_1" xlink:label="nj_CompactDigitalCameraLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compact Digital Camera Lens Unit Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CompactDigitalCameraLensUnitBusinessMember" xlink:to="nj_CompactDigitalCameraLensUnitBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ComponentsOfNetDeferredTaxAssetsTextBlock" xlink:label="nj_ComponentsOfNetDeferredTaxAssetsTextBlock" xlink:type="locator"/>
    <label id="id_24288_475400_3_1" xlink:label="nj_ComponentsOfNetDeferredTaxAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Components of net deferred tax assets [Table Text Block]</label>
    <label id="id_24288_475400_1_1" xlink:label="nj_ComponentsOfNetDeferredTaxAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components Of Net Deferred Tax Assets [Text Block]</label>
    <label id="id_24288_475400_2_1" xlink:label="nj_ComponentsOfNetDeferredTaxAssetsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of net deferred tax assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ComponentsOfNetDeferredTaxAssetsTextBlock" xlink:to="nj_ComponentsOfNetDeferredTaxAssetsTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="locator"/>
    <label id="id_24288_444249_1_1" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Net Of Tax</label>
    <label id="id_24288_444249_6_1" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:type="locator"/>
    <label id="id_24288_441201_1_1" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income Net Of Tax [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:type="locator"/>
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    <label id="id_24288_449304_2_1" xlink:label="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:to="us-gaap_ComputerSoftwareIntangibleAssetMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:type="locator"/>
    <label id="id_24288_450553_1_1" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk By Type [Axis]</label>
    <label id="id_24288_450553_2_1" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk by Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConcentrationRiskPercentage" xlink:label="us-gaap_ConcentrationRiskPercentage" xlink:type="locator"/>
    <label id="id_24288_450309_1_1" xlink:label="us-gaap_ConcentrationRiskPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Percentage</label>
    <label id="id_24288_450309_2_1" xlink:label="us-gaap_ConcentrationRiskPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration of risk percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage" xlink:to="us-gaap_ConcentrationRiskPercentage_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:type="locator"/>
    <label id="id_24288_446530_1_1" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</label>
    <label id="id_24288_446530_2_1" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_449198_1_1" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Policy [Text Block]</label>
    <label id="id_24288_449198_2_1" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of consolidation and accounting for investments in affiliated companies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConstructionInProgressGross" xlink:label="us-gaap_ConstructionInProgressGross" xlink:type="locator"/>
    <label id="id_24288_441615_1_1" xlink:label="us-gaap_ConstructionInProgressGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction In Progress Gross</label>
    <label id="id_24288_441615_2_1" xlink:label="us-gaap_ConstructionInProgressGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressGross" xlink:to="us-gaap_ConstructionInProgressGross_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember" xlink:label="us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember" xlink:type="locator"/>
    <label id="id_24288_450942_1_1" xlink:label="us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertibles And Bonds With Warrants Attached [Member]</label>
    <label id="id_24288_450942_2_1" xlink:label="us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Yen Denominated zero coupon convertible bonds due 2015</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember" xlink:to="us-gaap_ConvertiblesAndBondsWithWarrantsAttachedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="us-gaap_CostOfGoodsSold" xlink:type="locator"/>
    <label id="id_24288_443047_1_1" xlink:label="us-gaap_CostOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Goods Sold</label>
    <label id="id_24288_443047_2_1" xlink:label="us-gaap_CostOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of products sold</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsSold" xlink:to="us-gaap_CostOfGoodsSold_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="us-gaap_CostOfSalesMember" xlink:type="locator"/>
    <label id="id_24288_453468_1_1" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Of Sales [Member]</label>
    <label id="id_24288_453468_2_1" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost of Sales</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfSalesMember" xlink:to="us-gaap_CostOfSalesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses" xlink:type="locator"/>
    <label id="id_24288_443760_1_1" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs And Expenses</label>
    <label id="id_24288_443760_6_1" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Costs and Expenses, Total</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="us-gaap_CostsAndExpensesAbstract" xlink:type="locator"/>
    <label id="id_24288_442425_1_1" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs And Expenses [Abstract]</label>
    <label id="id_24288_442425_2_1" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating expenses:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpensesAbstract" xlink:to="us-gaap_CostsAndExpensesAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:label="us-gaap_CreditConcentrationRiskMember" xlink:type="locator"/>
    <label id="id_24288_453005_1_1" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Concentration Risk [Member]</label>
    <label id="id_24288_453005_2_1" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Concentration Risk</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditConcentrationRiskMember" xlink:to="us-gaap_CreditConcentrationRiskMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrencySwapMember" xlink:label="us-gaap_CurrencySwapMember" xlink:type="locator"/>
    <label id="id_24288_445663_1_1" xlink:label="us-gaap_CurrencySwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Currency Swap [Member]</label>
    <label id="id_24288_445663_2_1" xlink:label="us-gaap_CurrencySwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate currency swap agreements</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrencySwapMember" xlink:to="us-gaap_CurrencySwapMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_CurrentAssetsMember" xlink:label="nj_CurrentAssetsMember" xlink:type="locator"/>
    <label id="id_24288_468065_3_1" xlink:label="nj_CurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Current Assets [Member]</label>
    <label id="id_24288_468065_1_1" xlink:label="nj_CurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Assets [Member]</label>
    <label id="id_24288_468065_2_1" xlink:label="nj_CurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term loan receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_CurrentAssetsMember" xlink:to="nj_CurrentAssetsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="locator"/>
    <label id="id_24288_448595_1_1" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Federal Tax Expense Benefit</label>
    <label id="id_24288_448595_2_1" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Company and domestic subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" xlink:type="locator"/>
    <label id="id_24288_440743_1_1" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</label>
    <label id="id_24288_440743_2_1" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:type="locator"/>
    <label id="id_24288_446216_1_1" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Foreign Tax Expense Benefit</label>
    <label id="id_24288_446216_2_1" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="locator"/>
    <label id="id_24288_453849_1_1" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense Benefit</label>
    <label id="id_24288_453849_6_1" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" xlink:type="locator"/>
    <label id="id_24288_445896_1_1" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense Benefit [Abstract]</label>
    <label id="id_24288_445896_2_1" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current income tax expense/(benefit):</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" xlink:type="locator"/>
    <label id="id_24288_447141_1_1" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Concentration Risk [Member]</label>
    <label id="id_24288_447141_2_1" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer Concentration Risk</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember" xlink:type="locator"/>
    <label id="id_24288_450059_1_1" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Relationships [Member]</label>
    <label id="id_24288_450059_2_1" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer relationships</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations" xlink:type="locator"/>
    <label id="id_24288_451050_1_1" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt And Capital Lease Obligations</label>
    <label id="id_24288_451050_2_1" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt and capital lease obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="us-gaap_DebtAndCapitalLeaseObligations_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DebtDisclosureLineItems" xlink:label="nj_DebtDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457512_3_1" xlink:label="nj_DebtDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Line Items]</label>
    <label id="id_24288_457512_1_1" xlink:label="nj_DebtDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Line Items]</label>
    <label id="id_24288_457512_2_1" xlink:label="nj_DebtDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DebtDisclosureLineItems" xlink:to="nj_DebtDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DebtDisclosureTable" xlink:label="nj_DebtDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476417_3_1" xlink:label="nj_DebtDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Table]</label>
    <label id="id_24288_476417_1_1" xlink:label="nj_DebtDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Table]</label>
    <label id="id_24288_476417_2_1" xlink:label="nj_DebtDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DebtDisclosureTable" xlink:to="nj_DebtDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_444104_1_1" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Text Block]</label>
    <label id="id_24288_444104_2_1" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term borrowings and long-term debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCallFeature" xlink:label="us-gaap_DebtInstrumentCallFeature" xlink:type="locator"/>
    <label id="id_24288_445082_1_1" xlink:label="us-gaap_DebtInstrumentCallFeature_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Call Feature</label>
    <label id="id_24288_445082_2_1" xlink:label="us-gaap_DebtInstrumentCallFeature_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of call feature</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCallFeature" xlink:to="us-gaap_DebtInstrumentCallFeature_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:type="locator"/>
    <label id="id_24288_445679_1_1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Convertible Conversion Price 1</label>
    <label id="id_24288_445679_2_1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price</label>
    <label id="id_24288_445679_12_1" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, conversion price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="us-gaap_DebtInstrumentConvertibleConversionPrice1_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:type="locator"/>
    <label id="id_24288_451768_1_1" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Convertible Number Of Equity Instruments</label>
    <label id="id_24288_451768_2_1" xlink:label="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of convertible shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:to="us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" xlink:type="locator"/>
    <label id="id_24288_452775_1_1" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Face Amount</label>
    <label id="id_24288_452775_2_1" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator"/>
    <label id="id_24288_442772_1_1" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Interest Rate Stated Percentage</label>
    <label id="id_24288_442772_2_1" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, interest rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentIssuanceDate" xlink:label="us-gaap_DebtInstrumentIssuanceDate" xlink:type="locator"/>
    <label id="id_24288_442955_1_1" xlink:label="us-gaap_DebtInstrumentIssuanceDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Issuance Date</label>
    <label id="id_24288_442955_2_1" xlink:label="us-gaap_DebtInstrumentIssuanceDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issue date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentIssuanceDate" xlink:to="us-gaap_DebtInstrumentIssuanceDate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:type="locator"/>
    <label id="id_24288_455698_1_1" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <label id="id_24288_455698_2_1" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate" xlink:type="locator"/>
    <label id="id_24288_454507_1_1" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date</label>
    <label id="id_24288_454507_2_1" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:type="locator"/>
    <label id="id_24288_452751_1_1" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date Range End</label>
    <label id="id_24288_452751_2_1" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeEnd_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, maximum due date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateRangeEnd" xlink:to="us-gaap_DebtInstrumentMaturityDateRangeEnd_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:type="locator"/>
    <label id="id_24288_453002_1_1" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date Range Start</label>
    <label id="id_24288_453002_2_1" xlink:label="us-gaap_DebtInstrumentMaturityDateRangeStart_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, minimum due date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDateRangeStart" xlink:to="us-gaap_DebtInstrumentMaturityDateRangeStart_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DebtInstrumentMaturityDateYear" xlink:label="nj_DebtInstrumentMaturityDateYear" xlink:type="locator"/>
    <label id="id_24288_467121_3_1" xlink:label="nj_DebtInstrumentMaturityDateYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date Year</label>
    <label id="id_24288_467121_1_1" xlink:label="nj_DebtInstrumentMaturityDateYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date Year</label>
    <label id="id_24288_467121_2_1" xlink:label="nj_DebtInstrumentMaturityDateYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt, due date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DebtInstrumentMaturityDateYear" xlink:to="nj_DebtInstrumentMaturityDateYear_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DebtInstrumentRedemptionDate" xlink:label="nj_DebtInstrumentRedemptionDate" xlink:type="locator"/>
    <label id="id_24288_467079_3_1" xlink:label="nj_DebtInstrumentRedemptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Redemption Date</label>
    <label id="id_24288_467079_1_1" xlink:label="nj_DebtInstrumentRedemptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Redemption Date</label>
    <label id="id_24288_467079_2_1" xlink:label="nj_DebtInstrumentRedemptionDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DebtInstrumentRedemptionDate" xlink:to="nj_DebtInstrumentRedemptionDate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:type="locator"/>
    <label id="id_24288_447868_1_1" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Table]</label>
    <label id="id_24288_447868_2_1" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_DebtInstrumentTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium" xlink:type="locator"/>
    <label id="id_24288_441940_1_1" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Unamortized Premium</label>
    <label id="id_24288_441940_2_1" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized premium</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedPremium" xlink:to="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DebtRedemptionPriceDescription" xlink:label="nj_DebtRedemptionPriceDescription" xlink:type="locator"/>
    <label id="id_24288_467022_3_1" xlink:label="nj_DebtRedemptionPriceDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Redemption Price, Description</label>
    <label id="id_24288_467022_1_1" xlink:label="nj_DebtRedemptionPriceDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Redemption Price Description</label>
    <label id="id_24288_467022_2_1" xlink:label="nj_DebtRedemptionPriceDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption price description</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DebtRedemptionPriceDescription" xlink:to="nj_DebtRedemptionPriceDescription_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="us-gaap_DebtSecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_449537_1_1" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities [Member]</label>
    <label id="id_24288_449537_2_1" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesMember" xlink:to="us-gaap_DebtSecuritiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:type="locator"/>
    <label id="id_24288_445401_1_1" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Liability Classified Noncurrent</label>
    <label id="id_24288_445401_2_1" xlink:label="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued pension and severance costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent" xlink:to="us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457534_3_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]</label>
    <label id="id_24288_457534_1_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Line Items]</label>
    <label id="id_24288_457534_2_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems" xlink:to="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476457_3_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table]</label>
    <label id="id_24288_476457_1_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Table]</label>
    <label id="id_24288_476457_2_1" xlink:label="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable" xlink:to="nj_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:type="locator"/>
    <label id="id_24288_442023_1_1" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Federal Income Tax Expense Benefit</label>
    <label id="id_24288_442023_2_1" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Company and domestic subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:type="locator"/>
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    <label id="id_24288_447065_2_1" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income taxes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:type="arc"/>
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    <label id="id_24288_442911_2_1" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income tax expense (benefit):</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:label="us-gaap_DeferredTaxAssetsInventory" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="locator"/>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="us-gaap_DeferredTaxAssetsNet" xlink:type="locator"/>
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    <label id="id_24288_451461_6_1" xlink:label="us-gaap_DeferredTaxAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax assets</label>
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    <label id="id_24288_454173_2_1" xlink:label="us-gaap_DeferredTaxAssetsNetClassificationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets:</label>
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    <label id="id_24288_442155_2_1" xlink:label="us-gaap_DeferredTaxAssetsNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax assets (Note 16)</label>
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    <label id="id_24288_452493_1_1" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Other</label>
    <label id="id_24288_452493_2_1" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
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    <loc xlink:href="nj-20120331.xsd#nj_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="nj_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:type="locator"/>
    <label id="id_24288_461335_3_1" xlink:label="nj_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Property Plant And Equipment</label>
    <label id="id_24288_461335_1_1" xlink:label="nj_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Property Plant And Equipment</label>
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    <label id="id_24288_456451_2_1" xlink:label="us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign tax credit</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences" xlink:type="locator"/>
    <label id="id_24288_452797_1_1" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences</label>
    <label id="id_24288_452797_2_1" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued vacation</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses" xlink:type="locator"/>
    <label id="id_24288_455183_1_1" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Bonuses</label>
    <label id="id_24288_455183_2_1" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBonuses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued bonus</label>
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    <label id="id_24288_447253_2_1" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension and severance plans</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" xlink:type="locator"/>
    <label id="id_24288_449073_1_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase</label>
    <label id="id_24288_449073_2_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of compensation increase</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:type="locator"/>
    <label id="id_24288_450129_1_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate</label>
    <label id="id_24288_450129_2_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" xlink:to="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:type="locator"/>
    <label id="id_24288_444180_1_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets</label>
    <label id="id_24288_444180_2_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected return on plan assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" xlink:to="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:type="locator"/>
    <label id="id_24288_451104_1_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase</label>
    <label id="id_24288_451104_2_1" xlink:label="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of compensation increase</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" xlink:to="us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligation" xlink:type="locator"/>
    <label id="id_24288_443660_1_1" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Benefit Obligation</label>
    <label id="id_24288_443660_4_1" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation</label>
    <label id="id_24288_443660_5_1" xlink:label="us-gaap_DefinedBenefitPlanBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Benefit obligation at beginning of year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanBenefitObligation" xlink:to="us-gaap_DefinedBenefitPlanBenefitObligation_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_DefinedBenefitPlanBenefitObligationInterestCost" xlink:label="nj_DefinedBenefitPlanBenefitObligationInterestCost" xlink:type="locator"/>
    <label id="id_24288_463289_3_1" xlink:label="nj_DefinedBenefitPlanBenefitObligationInterestCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation, Interest Cost</label>
    <label id="id_24288_463289_1_1" xlink:label="nj_DefinedBenefitPlanBenefitObligationInterestCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Benefit Obligation Interest Cost</label>
    <label id="id_24288_463289_2_1" xlink:label="nj_DefinedBenefitPlanBenefitObligationInterestCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest cost</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_DefinedBenefitPlanBenefitObligationInterestCost" xlink:to="nj_DefinedBenefitPlanBenefitObligationInterestCost_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:label="us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:type="locator"/>
    <label id="id_24288_453380_1_1" xlink:label="us-gaap_DefinedBenefitPlanBenefitsPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Benefits Paid</label>
    <label id="id_24288_453380_8_1" xlink:label="us-gaap_DefinedBenefitPlanBenefitsPaid_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Benefits paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanBenefitsPaid" xlink:to="us-gaap_DefinedBenefitPlanBenefitsPaid_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation" xlink:type="locator"/>
    <label id="id_24288_443173_1_1" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation</label>
    <label id="id_24288_443173_2_1" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition and other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation" xlink:to="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:type="locator"/>
    <label id="id_24288_446078_1_1" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Change In Benefit Obligation [Roll Forward]</label>
    <label id="id_24288_446078_2_1" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in benefit obligation:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:to="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:type="locator"/>
    <label id="id_24288_455894_1_1" xlink:label="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Change In Fair Value Of Plan Assets [Roll Forward]</label>
    <label id="id_24288_455894_2_1" xlink:label="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in plan assets:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:to="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:type="locator"/>
    <label id="id_24288_454135_1_1" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Contributions By Employer</label>
    <label id="id_24288_454135_2_1" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer contribution</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanCurtailments" xlink:label="us-gaap_DefinedBenefitPlanCurtailments" xlink:type="locator"/>
    <label id="id_24288_449508_1_1" xlink:label="us-gaap_DefinedBenefitPlanCurtailments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Curtailments</label>
    <label id="id_24288_449508_8_1" xlink:label="us-gaap_DefinedBenefitPlanCurtailments_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Curtailments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanCurtailments" xlink:to="us-gaap_DefinedBenefitPlanCurtailments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDebtSecurities" xlink:label="us-gaap_DefinedBenefitPlanDebtSecurities" xlink:type="locator"/>
    <label id="id_24288_450115_1_1" xlink:label="us-gaap_DefinedBenefitPlanDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Debt Securities</label>
    <label id="id_24288_450115_2_1" xlink:label="us-gaap_DefinedBenefitPlanDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of investments in debt securities</label>
    <label id="id_24288_450115_12_1" xlink:label="us-gaap_DefinedBenefitPlanDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pooled funds, percentage of investment in bonds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDebtSecurities" xlink:to="us-gaap_DefinedBenefitPlanDebtSecurities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_456159_1_1" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
    <label id="id_24288_456159_2_1" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:to="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEquitySecurities" xlink:label="us-gaap_DefinedBenefitPlanEquitySecurities" xlink:type="locator"/>
    <label id="id_24288_447701_1_1" xlink:label="us-gaap_DefinedBenefitPlanEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Equity Securities</label>
    <label id="id_24288_447701_2_1" xlink:label="us-gaap_DefinedBenefitPlanEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of investments in equity securities</label>
    <label id="id_24288_447701_12_1" xlink:label="us-gaap_DefinedBenefitPlanEquitySecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pooled funds, percentage of investment in listed equity securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanEquitySecurities" xlink:to="us-gaap_DefinedBenefitPlanEquitySecurities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:type="locator"/>
    <label id="id_24288_445856_1_1" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Estimated Future Employer Contributions In Next Fiscal Year</label>
    <label id="id_24288_445856_2_1" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Defined benefit plans, expected employer contribute for the next fiscal year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear" xlink:to="us-gaap_DefinedBenefitPlanEstimatedFutureEmployerContributionsInNextFiscalYear_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter" xlink:type="locator"/>
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    <label id="id_24288_450286_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInFiveFiscalYearsThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Years 2018-2022</label>
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    <label id="id_24288_450319_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
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    <label id="id_24288_450471_1_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Expected Future Benefit Payments In Year Four</label>
    <label id="id_24288_450471_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne" xlink:type="locator"/>
    <label id="id_24288_452915_1_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Expected Future Benefit Payments In Year One</label>
    <label id="id_24288_452915_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree" xlink:type="locator"/>
    <label id="id_24288_442209_1_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Expected Future Benefit Payments In Year Three</label>
    <label id="id_24288_442209_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo" xlink:type="locator"/>
    <label id="id_24288_447680_1_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Expected Future Benefit Payments In Year Two</label>
    <label id="id_24288_447680_2_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:type="locator"/>
    <label id="id_24288_442306_1_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Expected Return On Plan Assets</label>
    <label id="id_24288_442306_8_1" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Expected return on plan assets</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:type="locator"/>
    <label id="id_24288_452844_1_1" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Fair Value Of Plan Assets</label>
    <label id="id_24288_452844_4_1" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Fair value of plan assets at end of year</label>
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    <label id="id_24288_452844_2_1" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair values of pension plan assets</label>
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    <loc xlink:href="nj-20120331.xsd#nj_DefinedBenefitPlanFairValueOfPlanAssetsBenefitsPaid" xlink:label="nj_DefinedBenefitPlanFairValueOfPlanAssetsBenefitsPaid" xlink:type="locator"/>
    <label id="id_24288_461570_3_1" xlink:label="nj_DefinedBenefitPlanFairValueOfPlanAssetsBenefitsPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Fair Value of Plan Assets, Benefits Paid</label>
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    <label id="id_24288_446386_2_1" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency exchange rate changes</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:type="locator"/>
    <label id="id_24288_442839_1_1" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Funded Status Of Plan</label>
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    <label id="id_24288_443313_2_1" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of plan assets</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DividendPaymentRestrictionsScheduleDescription" xlink:label="us-gaap_DividendPaymentRestrictionsScheduleDescription" xlink:type="locator"/>
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    <label id="id_24288_443914_1_1" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Common Stock Cash</label>
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    <label id="id_24288_456487_1_1" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Payable Date Of Record Day Month And Year</label>
    <label id="id_24288_456487_2_1" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash dividend declared, record date</label>
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    <label id="id_24288_598653_3_1" xlink:label="nj_DocumentDocumentandEntityInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Document - Document and Entity Information [Abstract]</label>
    <label id="id_24288_598653_1_1" xlink:label="nj_DocumentDocumentandEntityInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Documentand Entity Information [Abstract]</label>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" xlink:type="locator"/>
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    <label id="id_24288_440713_2_1" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</label>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType" xlink:type="locator"/>
    <label id="id_24288_440723_1_1" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</label>
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    <loc xlink:href="nj-20120331.xsd#nj_DomesticEquitySecuritiesMember" xlink:label="nj_DomesticEquitySecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_472820_3_1" xlink:label="nj_DomesticEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Domestic Equity Securities [Member]</label>
    <label id="id_24288_472820_1_1" xlink:label="nj_DomesticEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Domestic Equity Securities [Member]</label>
    <label id="id_24288_472820_2_1" xlink:label="nj_DomesticEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japanese companies Equity Securities</label>
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    <loc xlink:href="nj-20120331.xsd#nj_DomesticGovernmentDebtSecuritiesMember" xlink:label="nj_DomesticGovernmentDebtSecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_471103_3_1" xlink:label="nj_DomesticGovernmentDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Domestic Government Debt Securities [Member]</label>
    <label id="id_24288_471103_1_1" xlink:label="nj_DomesticGovernmentDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Domestic Government Debt Securities [Member]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:label="us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:type="locator"/>
    <label id="id_24288_442686_1_1" xlink:label="us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Domestic Pension Plans Of Foreign Entity Defined Benefit [Member]</label>
    <label id="id_24288_442686_2_1" xlink:label="us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japanese plans</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember" xlink:to="us-gaap_DomesticPensionPlansOfForeignEntityDefinedBenefitMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" xlink:type="locator"/>
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    <label id="id_24288_446161_2_1" xlink:label="us-gaap_EarningsPerShareBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic net income attributable to Nidec Corporation per share</label>
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    <label id="id_24288_444746_2_1" xlink:label="us-gaap_EarningsPerShareBasicMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Per Share-basic</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicMember" xlink:to="us-gaap_EarningsPerShareBasicMember_lbl" xlink:type="arc"/>
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    <label id="id_24288_445824_2_1" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</label>
    <label id="id_24288_445824_6_1" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <label id="id_24288_445824_12_1" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="us-gaap_EarningsPerShareDilutedAbstract" xlink:type="locator"/>
    <label id="id_24288_446069_1_1" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Diluted [Abstract]</label>
    <label id="id_24288_446069_2_1" xlink:label="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted net income attributable to Nidec Corporation per share</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_EarningsPerShareDilutedAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDilutedMember" xlink:label="us-gaap_EarningsPerShareDilutedMember" xlink:type="locator"/>
    <label id="id_24288_451060_1_1" xlink:label="us-gaap_EarningsPerShareDilutedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Diluted [Member]</label>
    <label id="id_24288_451060_2_1" xlink:label="us-gaap_EarningsPerShareDilutedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Per Share-diluted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedMember" xlink:to="us-gaap_EarningsPerShareDilutedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:label="us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:type="locator"/>
    <label id="id_24288_454716_1_1" xlink:label="us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Diluted Other Disclosures [Abstract]</label>
    <label id="id_24288_454716_2_1" xlink:label="us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted net income attributable to Nidec Corporation per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:to="us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_EarningsPerShareDisclosureLineItems" xlink:label="nj_EarningsPerShareDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457482_3_1" xlink:label="nj_EarningsPerShareDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Line Items]</label>
    <label id="id_24288_457482_1_1" xlink:label="nj_EarningsPerShareDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Line Items]</label>
    <label id="id_24288_457482_2_1" xlink:label="nj_EarningsPerShareDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_EarningsPerShareDisclosureLineItems" xlink:to="nj_EarningsPerShareDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_EarningsPerShareDisclosureTable" xlink:label="nj_EarningsPerShareDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476410_3_1" xlink:label="nj_EarningsPerShareDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Table]</label>
    <label id="id_24288_476410_1_1" xlink:label="nj_EarningsPerShareDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Table]</label>
    <label id="id_24288_476410_2_1" xlink:label="nj_EarningsPerShareDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_EarningsPerShareDisclosureTable" xlink:to="nj_EarningsPerShareDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_452257_1_1" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share Policy [Text Block]</label>
    <label id="id_24288_452257_2_1" xlink:label="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="us-gaap_EarningsPerSharePolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock" xlink:type="locator"/>
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    <label id="id_24288_444569_2_1" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of the differences between basic and diluted earnings per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_EffectiveIncomeTaxRateChangeFromPriorPeriod" xlink:label="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod" xlink:type="locator"/>
    <label id="id_24288_474208_3_1" xlink:label="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate, Change from Prior Period</label>
    <label id="id_24288_474208_1_1" xlink:label="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Change From Prior Period</label>
    <label id="id_24288_474208_2_1" xlink:label="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective income tax rate, increase from previous year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod" xlink:to="nj_EffectiveIncomeTaxRateChangeFromPriorPeriod_lbl" xlink:type="arc"/>
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    <label id="id_24288_454571_2_1" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective income tax rate</label>
    <label id="id_24288_454571_6_1" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Effective income tax rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="us-gaap_EffectiveIncomeTaxRateContinuingOperations_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract" xlink:type="locator"/>
    <label id="id_24288_453243_1_1" xlink:label="us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="locator"/>
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    <label id="id_24288_456436_2_1" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statutory income tax rate</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:type="locator"/>
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    <label id="id_24288_446355_2_1" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="locator"/>
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    <label id="id_24288_455101_2_1" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:type="locator"/>
    <label id="id_24288_453444_1_1" xlink:label="us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite Lived Intangible Assets Weighted Average Useful Life</label>
    <label id="id_24288_453444_2_1" xlink:label="us-gaap_FiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average amortization period (in years)</label>
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    <loc xlink:href="nj-20120331.xsd#nj_ForeignCorporateEquitySecuritiesMember" xlink:label="nj_ForeignCorporateEquitySecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_468838_3_1" xlink:label="nj_ForeignCorporateEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Corporate Equity Securities [Member]</label>
    <label id="id_24288_468838_1_1" xlink:label="nj_ForeignCorporateEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Corporate Equity Securities [Member]</label>
    <label id="id_24288_468838_2_1" xlink:label="nj_ForeignCorporateEquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign companies Equity Securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ForeignCorporateEquitySecuritiesMember" xlink:to="nj_ForeignCorporateEquitySecuritiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="locator"/>
    <label id="id_24288_451639_1_1" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transaction Gain Loss Before Tax</label>
    <label id="id_24288_451639_2_1" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange loss, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:type="locator"/>
    <label id="id_24288_449152_1_1" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transaction Gain Loss Unrealized</label>
    <label id="id_24288_449152_8_1" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Foreign currency adjustments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossUnrealized_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_450835_1_1" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Currency Transactions And Translations Policy [Text Block]</label>
    <label id="id_24288_450835_2_1" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Translation of foreign currencies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="us-gaap_ForeignExchangeForwardMember" xlink:type="locator"/>
    <label id="id_24288_444433_1_1" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Exchange Forward [Member]</label>
    <label id="id_24288_444433_2_1" xlink:label="us-gaap_ForeignExchangeForwardMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange forward contracts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignExchangeForwardMember" xlink:to="us-gaap_ForeignExchangeForwardMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ForeignGovernmentBondsMember" xlink:label="nj_ForeignGovernmentBondsMember" xlink:type="locator"/>
    <label id="id_24288_473676_3_1" xlink:label="nj_ForeignGovernmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Government Bonds [Member]</label>
    <label id="id_24288_473676_1_1" xlink:label="nj_ForeignGovernmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Government Bonds [Member]</label>
    <label id="id_24288_473676_2_1" xlink:label="nj_ForeignGovernmentBondsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign bonds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ForeignGovernmentBondsMember" xlink:to="nj_ForeignGovernmentBondsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:label="us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:type="locator"/>
    <label id="id_24288_450242_1_1" xlink:label="us-gaap_ForeignPensionPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Pension Plans Defined Benefit [Member]</label>
    <label id="id_24288_450242_2_1" xlink:label="us-gaap_ForeignPensionPlansDefinedBenefitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign plans</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignPensionPlansDefinedBenefitMember" xlink:to="us-gaap_ForeignPensionPlansDefinedBenefitMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ForeignSubsidiariesMember" xlink:label="nj_ForeignSubsidiariesMember" xlink:type="locator"/>
    <label id="id_24288_471193_3_1" xlink:label="nj_ForeignSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreign Subsidiaries [Member]</label>
    <label id="id_24288_471193_1_1" xlink:label="nj_ForeignSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Subsidiaries [Member]</label>
    <label id="id_24288_471193_2_1" xlink:label="nj_ForeignSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign Subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ForeignSubsidiariesMember" xlink:to="nj_ForeignSubsidiariesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="us-gaap_FutureAmortizationExpenseYearFive" xlink:type="locator"/>
    <label id="id_24288_444625_1_1" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense Year Five</label>
    <label id="id_24288_444625_2_1" xlink:label="us-gaap_FutureAmortizationExpenseYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFive" xlink:to="us-gaap_FutureAmortizationExpenseYearFive_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="us-gaap_FutureAmortizationExpenseYearFour" xlink:type="locator"/>
    <label id="id_24288_456018_1_1" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense Year Four</label>
    <label id="id_24288_456018_2_1" xlink:label="us-gaap_FutureAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="us-gaap_FutureAmortizationExpenseYearOne" xlink:type="locator"/>
    <label id="id_24288_449772_1_1" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense Year One</label>
    <label id="id_24288_449772_2_1" xlink:label="us-gaap_FutureAmortizationExpenseYearOne_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="us-gaap_FutureAmortizationExpenseYearThree" xlink:type="locator"/>
    <label id="id_24288_452387_1_1" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense Year Three</label>
    <label id="id_24288_452387_2_1" xlink:label="us-gaap_FutureAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo" xlink:type="locator"/>
    <label id="id_24288_441863_1_1" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future Amortization Expense Year Two</label>
    <label id="id_24288_441863_2_1" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FutureMember" xlink:label="us-gaap_FutureMember" xlink:type="locator"/>
    <label id="id_24288_454749_1_1" xlink:label="us-gaap_FutureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Future [Member]</label>
    <label id="id_24288_454749_2_1" xlink:label="us-gaap_FutureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commodity futures</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureMember" xlink:to="us-gaap_FutureMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainContingenciesByNatureAxis" xlink:label="us-gaap_GainContingenciesByNatureAxis" xlink:type="locator"/>
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    <label id="id_24288_456280_2_1" xlink:label="us-gaap_GainContingenciesByNatureAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain Contingencies by Nature [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainContingenciesByNatureAxis" xlink:to="us-gaap_GainContingenciesByNatureAxis_lbl" xlink:type="arc"/>
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    <label id="id_24288_450710_1_1" xlink:label="us-gaap_GainContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain Contingency Nature [Domain]</label>
    <label id="id_24288_450710_2_1" xlink:label="us-gaap_GainContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain Contingency, Nature [Domain]</label>
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    <loc xlink:href="nj-20120331.xsd#nj_GainLossOnDisposalAndImpairmentOfPropertyAndEquipment" xlink:label="nj_GainLossOnDisposalAndImpairmentOfPropertyAndEquipment" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="us-gaap_GainLossOnInvestments" xlink:type="locator"/>
    <label id="id_24288_444144_1_1" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain Loss On Investments</label>
    <label id="id_24288_444144_8_1" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">(Gain) loss from marketable securities, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnInvestments" xlink:to="us-gaap_GainLossOnInvestments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:type="locator"/>
    <label id="id_24288_443695_1_1" xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain On Business Interruption Insurance Recovery</label>
    <label id="id_24288_443695_2_1" xlink:label="us-gaap_GainOnBusinessInterruptionInsuranceRecovery_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net gain recognized as a result of excess insurance recovery over the flooding loss in Thailand</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainOnBusinessInterruptionInsuranceRecovery" xlink:to="us-gaap_GainOnBusinessInterruptionInsuranceRecovery_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill" xlink:type="locator"/>
    <label id="id_24288_447873_1_1" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill</label>
    <label id="id_24288_447873_4_1" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</label>
    <label id="id_24288_447873_5_1" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance</label>
    <label id="id_24288_447873_2_1" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Goodwill" xlink:to="us-gaap_Goodwill_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod" xlink:type="locator"/>
    <label id="id_24288_450202_1_1" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Acquired During Period</label>
    <label id="id_24288_450202_2_1" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAcquiredDuringPeriod" xlink:to="us-gaap_GoodwillAcquiredDuringPeriod_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillAndIntangibleAssetsDisclosureLineItems" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457480_3_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Line Items]</label>
    <label id="id_24288_457480_1_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill And Intangible Assets Disclosure [Line Items]</label>
    <label id="id_24288_457480_2_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillAndIntangibleAssetsDisclosureLineItems" xlink:to="nj_GoodwillAndIntangibleAssetsDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillAndIntangibleAssetsDisclosureTable" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476408_3_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Table]</label>
    <label id="id_24288_476408_1_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill And Intangible Assets Disclosure [Table]</label>
    <label id="id_24288_476408_2_1" xlink:label="nj_GoodwillAndIntangibleAssetsDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillAndIntangibleAssetsDisclosureTable" xlink:to="nj_GoodwillAndIntangibleAssetsDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_451279_1_1" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill And Intangible Assets Disclosure [Text Block]</label>
    <label id="id_24288_451279_2_1" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and other intangible assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_445602_1_1" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill And Intangible Assets Policy [Text Block]</label>
    <label id="id_24288_445602_2_1" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and other intangible assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillBeforeAccumulatedImpairmentMember" xlink:label="nj_GoodwillBeforeAccumulatedImpairmentMember" xlink:type="locator"/>
    <label id="id_24288_469419_3_1" xlink:label="nj_GoodwillBeforeAccumulatedImpairmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill before Accumulated Impairment [Member]</label>
    <label id="id_24288_469419_1_1" xlink:label="nj_GoodwillBeforeAccumulatedImpairmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Before Accumulated Impairment [Member]</label>
    <label id="id_24288_469419_2_1" xlink:label="nj_GoodwillBeforeAccumulatedImpairmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill before Accumulated Impairment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillBeforeAccumulatedImpairmentMember" xlink:to="nj_GoodwillBeforeAccumulatedImpairmentMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillByReportableSegmentTextBlock" xlink:label="nj_GoodwillByReportableSegmentTextBlock" xlink:type="locator"/>
    <label id="id_24288_476334_3_1" xlink:label="nj_GoodwillByReportableSegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill by Reportable Segment [Table Text Block]</label>
    <label id="id_24288_476334_1_1" xlink:label="nj_GoodwillByReportableSegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill By Reportable Segment [Text Block]</label>
    <label id="id_24288_476334_2_1" xlink:label="nj_GoodwillByReportableSegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill by Reportable Segment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillByReportableSegmentTextBlock" xlink:to="nj_GoodwillByReportableSegmentTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillComponentsAxis" xlink:label="nj_GoodwillComponentsAxis" xlink:type="locator"/>
    <label id="id_24288_478134_3_1" xlink:label="nj_GoodwillComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill Components [Axis]</label>
    <label id="id_24288_478134_1_1" xlink:label="nj_GoodwillComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Components [Axis]</label>
    <label id="id_24288_478134_2_1" xlink:label="nj_GoodwillComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill Components [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillComponentsAxis" xlink:to="nj_GoodwillComponentsAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_GoodwillComponentsDomain" xlink:label="nj_GoodwillComponentsDomain" xlink:type="locator"/>
    <label id="id_24288_478137_3_1" xlink:label="nj_GoodwillComponentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill Components [Domain]</label>
    <label id="id_24288_478137_1_1" xlink:label="nj_GoodwillComponentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Components [Domain]</label>
    <label id="id_24288_478137_2_1" xlink:label="nj_GoodwillComponentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill Components [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_GoodwillComponentsDomain" xlink:to="nj_GoodwillComponentsDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss" xlink:type="locator"/>
    <label id="id_24288_448885_1_1" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Impairment Loss</label>
    <label id="id_24288_448885_2_1" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill impairment loss</label>
    <label id="id_24288_448885_8_1" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Impairment loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairmentLoss" xlink:to="us-gaap_GoodwillImpairmentLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="us-gaap_GoodwillLineItems" xlink:type="locator"/>
    <label id="id_24288_442668_1_1" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</label>
    <label id="id_24288_442668_2_1" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillNotAllocatedAmount" xlink:label="us-gaap_GoodwillNotAllocatedAmount" xlink:type="locator"/>
    <label id="id_24288_443642_1_1" xlink:label="us-gaap_GoodwillNotAllocatedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Not Allocated Amount</label>
    <label id="id_24288_443642_2_1" xlink:label="us-gaap_GoodwillNotAllocatedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillNotAllocatedAmount" xlink:to="us-gaap_GoodwillNotAllocatedAmount_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:type="locator"/>
    <label id="id_24288_444768_1_1" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Translation And Purchase Accounting Adjustments</label>
    <label id="id_24288_444768_2_1" xlink:label="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Translation adjustments and Others</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments" xlink:to="us-gaap_GoodwillTranslationAndPurchaseAccountingAdjustments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:type="locator"/>
    <label id="id_24288_445670_1_1" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Current Carrying Value</label>
    <label id="id_24288_445670_2_1" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee of employees bank loans, current carrying amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:to="us-gaap_GuaranteeObligationsCurrentCarryingValue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure" xlink:type="locator"/>
    <label id="id_24288_449739_1_1" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Maximum Exposure</label>
    <label id="id_24288_449739_2_1" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee of employees bank loans, maximum undiscounted amount of obligation to make future payments in the event of defaults</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="us-gaap_GuaranteeObligationsMaximumExposure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuaranteesFairValueDisclosure" xlink:label="us-gaap_GuaranteesFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_450990_1_1" xlink:label="us-gaap_GuaranteesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantees Fair Value Disclosure</label>
    <label id="id_24288_450990_2_1" xlink:label="us-gaap_GuaranteesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee of employees bank loans, amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteesFairValueDisclosure" xlink:to="us-gaap_GuaranteesFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="us-gaap_HedgingDesignationAxis" xlink:type="locator"/>
    <label id="id_24288_449485_1_1" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</label>
    <label id="id_24288_449485_2_1" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationAxis" xlink:to="us-gaap_HedgingDesignationAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="us-gaap_HedgingDesignationDomain" xlink:type="locator"/>
    <label id="id_24288_447409_1_1" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Designation [Domain]</label>
    <label id="id_24288_447409_2_1" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Designation [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HedgingDesignationDomain" xlink:to="us-gaap_HedgingDesignationDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldtomaturitySecuritiesMember" xlink:label="us-gaap_HeldtomaturitySecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_456060_1_1" xlink:label="us-gaap_HeldtomaturitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Heldtomaturity Securities [Member]</label>
    <label id="id_24288_456060_2_1" xlink:label="us-gaap_HeldtomaturitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldtomaturitySecuritiesMember" xlink:to="us-gaap_HeldtomaturitySecuritiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral" xlink:label="us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral" xlink:type="locator"/>
    <label id="id_24288_453503_1_1" xlink:label="us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Pledged As Collateral</label>
    <label id="id_24288_453503_2_1" xlink:label="us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities pledged as collateral for the deferred payments of certain taxes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral" xlink:to="us-gaap_HeldToMaturitySecuritiesPledgedAsCollateral_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_HongKongGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466338_3_1" xlink:label="nj_HongKongGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - Amount of depreciation expense for the reportable segment. Information should be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466338_1_1" xlink:label="nj_HongKongGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466338_2_1" xlink:label="nj_HongKongGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_HongKongGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466340_3_1" xlink:label="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.</label>
    <label id="id_24288_466340_1_1" xlink:label="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466340_2_1" xlink:label="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_HongKongGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466334_3_1" xlink:label="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - Amount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466334_1_1" xlink:label="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466334_2_1" xlink:label="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_HongKongGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466333_3_1" xlink:label="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - Amount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466333_1_1" xlink:label="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466333_2_1" xlink:label="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_HongKongGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingSegmentAssets" xlink:label="nj_HongKongGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466341_3_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - Total assets for reportable segments.</label>
    <label id="id_24288_466341_1_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466341_2_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingSegmentAssets" xlink:to="nj_HongKongGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_485836_3_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap - The total amount of profit or loss for reportable segments.</label>
    <label id="id_24288_485836_1_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hong Kong Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_485836_2_1" xlink:label="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_HongKongGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingInformationDepreciationExpense" xlink:label="nj_IfrsSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466289_3_1" xlink:label="nj_IfrsSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting Information, Depreciation Expense</label>
    <label id="id_24288_466289_1_1" xlink:label="nj_IfrsSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466289_2_1" xlink:label="nj_IfrsSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingInformationDepreciationExpense" xlink:to="nj_IfrsSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466295_3_1" xlink:label="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting Information, Expenditures for Additions to Long Lived Assets</label>
    <label id="id_24288_466295_1_1" xlink:label="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466295_2_1" xlink:label="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_IfrsSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_IfrsSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466282_3_1" xlink:label="nj_IfrsSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting Information, Intersegment Revenue</label>
    <label id="id_24288_466282_1_1" xlink:label="nj_IfrsSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466282_2_1" xlink:label="nj_IfrsSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_IfrsSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466280_3_1" xlink:label="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting Information, Revenue from External Customers</label>
    <label id="id_24288_466280_1_1" xlink:label="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466280_2_1" xlink:label="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_IfrsSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingSegmentAssets" xlink:label="nj_IfrsSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466293_3_1" xlink:label="nj_IfrsSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting, Segment Assets</label>
    <label id="id_24288_466293_1_1" xlink:label="nj_IfrsSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Segment Assets</label>
    <label id="id_24288_466293_2_1" xlink:label="nj_IfrsSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingSegmentAssets" xlink:to="nj_IfrsSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_IfrsSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_IfrsSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_466284_3_1" xlink:label="nj_IfrsSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ifrs, Segment Reporting, Segment Operating Profit (Loss)</label>
    <label id="id_24288_466284_1_1" xlink:label="nj_IfrsSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ifrs Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_466284_2_1" xlink:label="nj_IfrsSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_IfrsSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_IfrsSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:label="us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:type="locator"/>
    <label id="id_24288_447957_1_1" xlink:label="us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Immediate Family Member Of Management Or Principal Owner [Member]</label>
    <label id="id_24288_447957_2_1" xlink:label="us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Immediate Family Member of Management or Principal Owner</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:to="us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_450022_1_1" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Or Disposal Of Long Lived Assets Policy [Text Block]</label>
    <label id="id_24288_450022_2_1" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-lived assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:type="locator"/>
    <label id="id_24288_447387_1_1" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Amounts Attributable To Reporting Entity Disclosures [Abstract]</label>
    <label id="id_24288_447387_2_1" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to Nidec Corporation per share</label>
    <label id="id_24288_447387_12_1" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:to="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" xlink:type="locator"/>
    <label id="id_24288_443449_1_1" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss From Continuing Operations</label>
    <label id="id_24288_443449_2_1" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from continuing operations attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator"/>
    <label id="id_24288_445103_1_1" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments</label>
    <label id="id_24288_445103_2_1" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from continuing operations before income taxes</label>
    <label id="id_24288_445103_6_1" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income from continuing operations before income taxes</label>
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    <label id="id_24288_443505_2_1" xlink:label="us-gaap_InventoryForLongTermContractsOrPrograms_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Project in progress</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryForLongTermContractsOrPrograms" xlink:to="us-gaap_InventoryForLongTermContractsOrPrograms_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet" xlink:type="locator"/>
    <label id="id_24288_445998_1_1" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Net</label>
    <label id="id_24288_445998_2_1" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</label>
    <label id="id_24288_445998_6_1" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Inventories</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_451826_1_1" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Policy [Text Block]</label>
    <label id="id_24288_451826_2_1" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventories</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves" xlink:type="locator"/>
    <label id="id_24288_447569_1_1" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Raw Materials Net Of Reserves</label>
    <label id="id_24288_447569_2_1" xlink:label="us-gaap_InventoryRawMaterialsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Raw materials</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterialsNetOfReserves" xlink:to="us-gaap_InventoryRawMaterialsNetOfReserves_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventorySuppliesNetOfReserves" xlink:label="us-gaap_InventorySuppliesNetOfReserves" xlink:type="locator"/>
    <label id="id_24288_447376_1_1" xlink:label="us-gaap_InventorySuppliesNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Supplies Net Of Reserves</label>
    <label id="id_24288_447376_2_1" xlink:label="us-gaap_InventorySuppliesNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplies and other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventorySuppliesNetOfReserves" xlink:to="us-gaap_InventorySuppliesNetOfReserves_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves" xlink:type="locator"/>
    <label id="id_24288_456015_1_1" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory Work In Process Net Of Reserves</label>
    <label id="id_24288_456015_2_1" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Work in process</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWorkInProcessNetOfReserves" xlink:to="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentHoldingsLineItems" xlink:label="us-gaap_InvestmentHoldingsLineItems" xlink:type="locator"/>
    <label id="id_24288_441231_1_1" xlink:label="us-gaap_InvestmentHoldingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Holdings [Line Items]</label>
    <label id="id_24288_441231_2_1" xlink:label="us-gaap_InvestmentHoldingsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Holdings [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentHoldingsLineItems" xlink:to="us-gaap_InvestmentHoldingsLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentHoldingsTable" xlink:label="us-gaap_InvestmentHoldingsTable" xlink:type="locator"/>
    <label id="id_24288_456531_1_1" xlink:label="us-gaap_InvestmentHoldingsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Holdings [Table]</label>
    <label id="id_24288_456531_2_1" xlink:label="us-gaap_InvestmentHoldingsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Holdings [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentHoldingsTable" xlink:to="us-gaap_InvestmentHoldingsTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentHoldingsTextBlock" xlink:label="us-gaap_InvestmentHoldingsTextBlock" xlink:type="locator"/>
    <label id="id_24288_445316_1_1" xlink:label="us-gaap_InvestmentHoldingsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Holdings [Text Block]</label>
    <label id="id_24288_445316_2_1" xlink:label="us-gaap_InvestmentHoldingsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities and other securities investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentHoldingsTextBlock" xlink:to="us-gaap_InvestmentHoldingsTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentIncomeInterestAndDividend" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend" xlink:type="locator"/>
    <label id="id_24288_443157_1_1" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income Interest And Dividend</label>
    <label id="id_24288_443157_2_1" xlink:label="us-gaap_InvestmentIncomeInterestAndDividend_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest and dividend income</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterestAndDividend" xlink:to="us-gaap_InvestmentIncomeInterestAndDividend_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="us-gaap_InvestmentPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_445388_1_1" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Policy [Text Block]</label>
    <label id="id_24288_445388_2_1" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentPolicyTextBlock" xlink:to="us-gaap_InvestmentPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_453697_1_1" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Fair Value Disclosure</label>
    <label id="id_24288_453697_2_1" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsFairValueDisclosure" xlink:to="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="locator"/>
    <label id="id_24288_454344_1_1" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Affiliates Subsidiaries Associates And Joint Ventures</label>
    <label id="id_24288_454344_2_1" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in and advances to affiliated companies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_442446_1_1" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block]</label>
    <label id="id_24288_442446_2_1" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in Debt and Marketable Equity Securities and Certain Trading Assets Disclosure</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="us-gaap_InvestmentTypeAxis" xlink:type="locator"/>
    <label id="id_24288_456497_1_1" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</label>
    <label id="id_24288_456497_2_1" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeAxis" xlink:to="us-gaap_InvestmentTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator"/>
    <label id="id_24288_454188_1_1" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Type Categorization [Member]</label>
    <label id="id_24288_454188_2_1" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Type Categorization [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentTypeCategorizationMember" xlink:to="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapaneseGovernmentBondSecuritiesMember" xlink:label="nj_JapaneseGovernmentBondSecuritiesMember" xlink:type="locator"/>
    <label id="id_24288_473436_3_1" xlink:label="nj_JapaneseGovernmentBondSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japanese Government Bond Securities [Member]</label>
    <label id="id_24288_473436_1_1" xlink:label="nj_JapaneseGovernmentBondSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japanese Government Bond Securities [Member]</label>
    <label id="id_24288_473436_2_1" xlink:label="nj_JapaneseGovernmentBondSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japanese bonds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapaneseGovernmentBondSecuritiesMember" xlink:to="nj_JapaneseGovernmentBondSecuritiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_JapanGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466290_3_1" xlink:label="nj_JapanGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap, Segment Reporting Information, Depreciation Expense</label>
    <label id="id_24288_466290_1_1" xlink:label="nj_JapanGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466290_2_1" xlink:label="nj_JapanGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_JapanGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466296_3_1" xlink:label="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap, Segment Reporting Information, Expenditures for Additions to Long Lived Assets</label>
    <label id="id_24288_466296_1_1" xlink:label="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466296_2_1" xlink:label="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_JapanGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466283_3_1" xlink:label="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap, Segment Reporting Information, Intersegment Revenue</label>
    <label id="id_24288_466283_1_1" xlink:label="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466283_2_1" xlink:label="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_JapanGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466281_3_1" xlink:label="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap, Segment Reporting Information, Revenue from External Customers</label>
    <label id="id_24288_466281_1_1" xlink:label="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466281_2_1" xlink:label="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_JapanGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingSegmentAssets" xlink:label="nj_JapanGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466294_3_1" xlink:label="nj_JapanGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap, Segment Reporting, Segment Assets</label>
    <label id="id_24288_466294_1_1" xlink:label="nj_JapanGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466294_2_1" xlink:label="nj_JapanGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingSegmentAssets" xlink:to="nj_JapanGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_466229_3_1" xlink:label="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Japan Gaap The total amount of profit or loss for reportable segments.</label>
    <label id="id_24288_466229_1_1" xlink:label="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Japan Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_466229_2_1" xlink:label="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_JapanGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_JP" xlink:label="country_JP" xlink:type="locator"/>
    <label id="id_24288_440393_1_1" xlink:label="country_JP_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">J P</label>
    <label id="id_24288_440393_2_1" xlink:label="country_JP_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Japan</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_JP" xlink:to="country_JP_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Land" xlink:label="us-gaap_Land" xlink:type="locator"/>
    <label id="id_24288_448386_1_1" xlink:label="us-gaap_Land_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land</label>
    <label id="id_24288_448386_2_1" xlink:label="us-gaap_Land_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="us-gaap_Land_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LandAndBuildingMember" xlink:label="us-gaap_LandAndBuildingMember" xlink:type="locator"/>
    <label id="id_24288_446219_1_1" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land And Building [Member]</label>
    <label id="id_24288_446219_2_1" xlink:label="us-gaap_LandAndBuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Head office and sales offices</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandAndBuildingMember" xlink:to="us-gaap_LandAndBuildingMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LargestCustomerMember" xlink:label="nj_LargestCustomerMember" xlink:type="locator"/>
    <label id="id_24288_473512_3_1" xlink:label="nj_LargestCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Largest Customer [Member]</label>
    <label id="id_24288_473512_1_1" xlink:label="nj_LargestCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Largest Customer [Member]</label>
    <label id="id_24288_473512_2_1" xlink:label="nj_LargestCustomerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Largest Customer</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LargestCustomerMember" xlink:to="nj_LargestCustomerMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="us-gaap_LeaseAndRentalExpense" xlink:type="locator"/>
    <label id="id_24288_450872_1_1" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease And Rental Expense</label>
    <label id="id_24288_450872_2_1" xlink:label="us-gaap_LeaseAndRentalExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental expenses under operating leases</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseAndRentalExpense" xlink:to="us-gaap_LeaseAndRentalExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember" xlink:type="locator"/>
    <label id="id_24288_441807_1_1" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements [Member]</label>
    <label id="id_24288_441807_2_1" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leasehold Improvements</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsMember" xlink:to="us-gaap_LeaseholdImprovementsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeasePolicyTextBlock" xlink:label="us-gaap_LeasePolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_446989_1_1" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease Policy [Text Block]</label>
    <label id="id_24288_446989_2_1" xlink:label="us-gaap_LeasePolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasePolicyTextBlock" xlink:to="us-gaap_LeasePolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LeasesDisclosureLineItems" xlink:label="nj_LeasesDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457484_3_1" xlink:label="nj_LeasesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Line Items]</label>
    <label id="id_24288_457484_1_1" xlink:label="nj_LeasesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Line Items]</label>
    <label id="id_24288_457484_2_1" xlink:label="nj_LeasesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LeasesDisclosureLineItems" xlink:to="nj_LeasesDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LeasesDisclosureTable" xlink:label="nj_LeasesDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476473_3_1" xlink:label="nj_LeasesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Table]</label>
    <label id="id_24288_476473_1_1" xlink:label="nj_LeasesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Table]</label>
    <label id="id_24288_476473_2_1" xlink:label="nj_LeasesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leases Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LeasesDisclosureTable" xlink:to="nj_LeasesDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:label="nj_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_475314_3_1" xlink:label="nj_LeasesOfLesseeAndLessorDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Combined Lessee and Lessor lease disclosure: Lessee - Disclosure of lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. This element can be used to disclose the entity's entire lease disclosure as a single block of text. Lessor - Description and amounts of lessor entity's leasing arrangements for operating, capital and leveraged leases. This element can be used to disclose the entity's entire lease disclosure as a single block of text.</label>
    <label id="id_24288_475314_1_1" xlink:label="nj_LeasesOfLesseeAndLessorDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases Of Lessee And Lessor Disclosure [Text Block]</label>
    <label id="id_24288_475314_2_1" xlink:label="nj_LeasesOfLesseeAndLessorDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease commitments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LeasesOfLesseeAndLessorDisclosureTextBlock" xlink:to="nj_LeasesOfLesseeAndLessorDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:type="locator"/>
    <label id="id_24288_440692_1_1" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</label>
    <label id="id_24288_440692_2_1" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LenseActuatorBusinessMember" xlink:label="nj_LenseActuatorBusinessMember" xlink:type="locator"/>
    <label id="id_24288_496845_3_1" xlink:label="nj_LenseActuatorBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lense Actuator Business [Member]</label>
    <label id="id_24288_496845_1_1" xlink:label="nj_LenseActuatorBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lense Actuator Business [Member]</label>
    <label id="id_24288_496845_2_1" xlink:label="nj_LenseActuatorBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lense Actuator Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LenseActuatorBusinessMember" xlink:to="nj_LenseActuatorBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator"/>
    <label id="id_24288_452563_1_1" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities And Stockholders Equity</label>
    <label id="id_24288_452563_6_1" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator"/>
    <label id="id_24288_445804_1_1" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities And Stockholders Equity [Abstract]</label>
    <label id="id_24288_445804_2_1" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES AND SHAREHOLDERS' EQUITY</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" xlink:type="locator"/>
    <label id="id_24288_442283_1_1" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Current</label>
    <label id="id_24288_442283_6_1" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator"/>
    <label id="id_24288_453630_1_1" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Current [Abstract]</label>
    <label id="id_24288_453630_2_1" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current liabilities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:type="locator"/>
    <label id="id_24288_449614_1_1" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Fair Value Disclosure [Abstract]</label>
    <label id="id_24288_449614_2_1" xlink:label="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesFairValueDisclosureAbstract" xlink:to="us-gaap_LiabilitiesFairValueDisclosureAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent" xlink:type="locator"/>
    <label id="id_24288_446802_1_1" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Noncurrent</label>
    <label id="id_24288_446802_6_1" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract" xlink:type="locator"/>
    <label id="id_24288_453371_1_1" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities Noncurrent [Abstract]</label>
    <label id="id_24288_453371_2_1" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term liabilities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LifeInsuranceSegmentMember" xlink:label="us-gaap_LifeInsuranceSegmentMember" xlink:type="locator"/>
    <label id="id_24288_446763_1_1" xlink:label="us-gaap_LifeInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Life Insurance Segment [Member]</label>
    <label id="id_24288_446763_2_1" xlink:label="us-gaap_LifeInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Life insurance company general</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LifeInsuranceSegmentMember" xlink:to="us-gaap_LifeInsuranceSegmentMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="locator"/>
    <label id="id_24288_449165_1_1" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility Remaining Borrowing Capacity</label>
    <label id="id_24288_449165_2_1" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unused lines of credit</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LoansReceivableFairValueDisclosure" xlink:label="us-gaap_LoansReceivableFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_441761_1_1" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Fair Value Disclosure</label>
    <label id="id_24288_441761_2_1" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansReceivableFairValueDisclosure" xlink:to="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" xlink:type="locator"/>
    <label id="id_24288_455857_1_1" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt</label>
    <label id="id_24288_455857_2_1" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</label>
    <label id="id_24288_455857_6_1" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</label>
    <label id="id_24288_455857_8_1" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Long-term debt including the current portion and excluding capital lease obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:type="locator"/>
    <label id="id_24288_455021_1_1" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt And Capital Lease Obligations</label>
    <label id="id_24288_455021_2_1" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt and Capital Lease Obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:type="locator"/>
    <label id="id_24288_445373_1_1" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt And Capital Lease Obligations Current</label>
    <label id="id_24288_445373_8_1" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Less-Current portion due within one year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent" xlink:type="locator"/>
    <label id="id_24288_454574_1_1" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Current</label>
    <label id="id_24288_454574_2_1" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current portion of long-term debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_LongTermDebtFairValueDisclosure" xlink:label="nj_LongTermDebtFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_460015_3_1" xlink:label="nj_LongTermDebtFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Fair Value Disclosure</label>
    <label id="id_24288_460015_1_1" xlink:label="nj_LongTermDebtFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Fair Value Disclosure</label>
    <label id="id_24288_460015_8_1" xlink:label="nj_LongTermDebtFairValueDisclosure_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Long-term debt including the current portion and excluding capital lease obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_LongTermDebtFairValueDisclosure" xlink:to="nj_LongTermDebtFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:type="locator"/>
    <label id="id_24288_453219_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal After Year Five</label>
    <label id="id_24288_453219_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 and thereafter</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:type="locator"/>
    <label id="id_24288_450403_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal In Next Twelve Months</label>
    <label id="id_24288_450403_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:type="locator"/>
    <label id="id_24288_447776_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal In Year Five</label>
    <label id="id_24288_447776_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="locator"/>
    <label id="id_24288_444457_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal In Year Four</label>
    <label id="id_24288_444457_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:type="locator"/>
    <label id="id_24288_444258_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal In Year Three</label>
    <label id="id_24288_444258_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:type="locator"/>
    <label id="id_24288_456389_1_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal In Year Two</label>
    <label id="id_24288_456389_2_1" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent" xlink:type="locator"/>
    <label id="id_24288_443500_1_1" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Noncurrent</label>
    <label id="id_24288_443500_2_1" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:type="locator"/>
    <label id="id_24288_453412_1_1" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Longterm Debt Type [Axis]</label>
    <label id="id_24288_453412_2_1" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:type="locator"/>
    <label id="id_24288_445336_1_1" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Longterm Debt Type [Domain]</label>
    <label id="id_24288_445336_2_1" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="us-gaap_LongTermInvestments" xlink:type="locator"/>
    <label id="id_24288_451283_1_1" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Investments</label>
    <label id="id_24288_451283_6_1" xlink:label="us-gaap_LongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Long-term Investments, Total</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermInvestments" xlink:to="us-gaap_LongTermInvestments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermPurchaseCommitmentAmount" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount" xlink:type="locator"/>
    <label id="id_24288_448348_1_1" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Purchase Commitment Amount</label>
    <label id="id_24288_448348_2_1" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments for the purchase of property, plant and equipment and other assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermPurchaseCommitmentAmount" xlink:to="us-gaap_LongTermPurchaseCommitmentAmount_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="locator"/>
    <label id="id_24288_449968_1_1" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingencies By Nature Of Contingency [Axis]</label>
    <label id="id_24288_449968_2_1" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingencies by Nature of Contingency [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain" xlink:type="locator"/>
    <label id="id_24288_454491_1_1" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Nature [Domain]</label>
    <label id="id_24288_454491_2_1" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentGross" xlink:label="us-gaap_MachineryAndEquipmentGross" xlink:type="locator"/>
    <label id="id_24288_447474_1_1" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery And Equipment Gross</label>
    <label id="id_24288_447474_2_1" xlink:label="us-gaap_MachineryAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentGross" xlink:to="us-gaap_MachineryAndEquipmentGross_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember" xlink:type="locator"/>
    <label id="id_24288_451111_1_1" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery And Equipment [Member]</label>
    <label id="id_24288_451111_2_1" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery and Equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="us-gaap_MachineryAndEquipmentMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis" xlink:type="locator"/>
    <label id="id_24288_443443_1_1" xlink:label="us-gaap_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Customers [Axis]</label>
    <label id="id_24288_443443_2_1" xlink:label="us-gaap_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Customers [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_MajorCustomersAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain" xlink:label="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain" xlink:type="locator"/>
    <label id="id_24288_471206_3_1" xlink:label="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Major Types of Marketable and Non Marketable Securities [Domain]</label>
    <label id="id_24288_471206_1_1" xlink:label="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Types Of Marketable And Non Marketable Securities [Domain]</label>
    <label id="id_24288_471206_2_1" xlink:label="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Types of Marketable and Non Marketable Securities [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain" xlink:to="nj_MajorTypesOfMarketableAndNonMarketableSecuritiesDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ManufacturingFacilityMember" xlink:label="us-gaap_ManufacturingFacilityMember" xlink:type="locator"/>
    <label id="id_24288_455629_1_1" xlink:label="us-gaap_ManufacturingFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturing Facility [Member]</label>
    <label id="id_24288_455629_2_1" xlink:label="us-gaap_ManufacturingFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Spindle motor factories</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ManufacturingFacilityMember" xlink:to="us-gaap_ManufacturingFacilityMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_MarketableSecuritiesAmortizedCost" xlink:label="nj_MarketableSecuritiesAmortizedCost" xlink:type="locator"/>
    <label id="id_24288_460833_3_1" xlink:label="nj_MarketableSecuritiesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments made for accretion, amortization, other-than-temporary impairments, and hedging, if any.</label>
    <label id="id_24288_460833_1_1" xlink:label="nj_MarketableSecuritiesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Amortized Cost</label>
    <label id="id_24288_460833_2_1" xlink:label="nj_MarketableSecuritiesAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_MarketableSecuritiesAmortizedCost" xlink:to="nj_MarketableSecuritiesAmortizedCost_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_MarketableSecuritiesFairValueDisclosure" xlink:label="nj_MarketableSecuritiesFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_476629_3_1" xlink:label="nj_MarketableSecuritiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Marketable Securities, Fair Value Disclosure</label>
    <label id="id_24288_476629_1_1" xlink:label="nj_MarketableSecuritiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Fair Value Disclosure</label>
    <label id="id_24288_476629_2_1" xlink:label="nj_MarketableSecuritiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_MarketableSecuritiesFairValueDisclosure" xlink:to="nj_MarketableSecuritiesFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="us-gaap_MarketableSecuritiesGainLoss" xlink:type="locator"/>
    <label id="id_24288_441360_1_1" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Gain Loss</label>
    <label id="id_24288_441360_2_1" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) from marketable securities, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesGainLoss" xlink:to="us-gaap_MarketableSecuritiesGainLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecuritiesNoncurrent" xlink:label="us-gaap_MarketableSecuritiesNoncurrent" xlink:type="locator"/>
    <label id="id_24288_442529_1_1" xlink:label="us-gaap_MarketableSecuritiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Noncurrent</label>
    <label id="id_24288_442529_6_1" xlink:label="us-gaap_MarketableSecuritiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Fair value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesNoncurrent" xlink:to="us-gaap_MarketableSecuritiesNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription" xlink:type="locator"/>
    <label id="id_24288_442133_1_1" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Realized Gain Loss Other Than Temporary Impairments Description</label>
    <label id="id_24288_442133_2_1" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of Impaired investment securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsDescription_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_MarketableSecuritiesUnrealizedGains" xlink:label="nj_MarketableSecuritiesUnrealizedGains" xlink:type="locator"/>
    <label id="id_24288_460834_3_1" xlink:label="nj_MarketableSecuritiesUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the unrealized gain on debt or equity securities categorized neither as held-to-maturity nor trading securities.</label>
    <label id="id_24288_460834_1_1" xlink:label="nj_MarketableSecuritiesUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Unrealized Gains</label>
    <label id="id_24288_460834_2_1" xlink:label="nj_MarketableSecuritiesUnrealizedGains_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross unrealized gains</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_MarketableSecuritiesUnrealizedGains" xlink:to="nj_MarketableSecuritiesUnrealizedGains_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_MarketableSecuritiesUnrealizedLosses" xlink:label="nj_MarketableSecuritiesUnrealizedLosses" xlink:type="locator"/>
    <label id="id_24288_460835_3_1" xlink:label="nj_MarketableSecuritiesUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This item represents the unrealized losses on debt or equity securities categorized neither as held-to-maturity nor trading securities.</label>
    <label id="id_24288_460835_1_1" xlink:label="nj_MarketableSecuritiesUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities Unrealized Losses</label>
    <label id="id_24288_460835_2_1" xlink:label="nj_MarketableSecuritiesUnrealizedLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross unrealized losses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_MarketableSecuritiesUnrealizedLosses" xlink:to="nj_MarketableSecuritiesUnrealizedLosses_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge" xlink:type="locator"/>
    <label id="id_24288_454809_1_1" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Length Of Time Hedged In Interest Rate Cash Flow Hedge</label>
    <label id="id_24288_454809_2_1" xlink:label="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The maximum length of time over which NIDEC hedged its exposure to variability in future cash flows for forecasted transactions</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge" xlink:to="us-gaap_MaximumLengthOfTimeHedgedInInterestRateCashFlowHedge_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:type="locator"/>
    <label id="id_24288_454410_1_1" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</label>
    <label id="id_24288_454410_2_1" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:type="locator"/>
    <label id="id_24288_452760_1_1" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</label>
    <label id="id_24288_452760_2_1" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest" xlink:type="locator"/>
    <label id="id_24288_446163_1_1" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minority Interest</label>
    <label id="id_24288_446163_2_1" xlink:label="us-gaap_MinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncontrolling interests</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:type="locator"/>
    <label id="id_24288_452181_1_1" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minority Interest Decrease From Distributions To Noncontrolling Interest Holders</label>
    <label id="id_24288_452181_8_1" xlink:label="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Dividends paid to noncontrolling interests</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:to="us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:type="locator"/>
    <label id="id_24288_448952_1_1" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minority Interest Ownership Percentage By Noncontrolling Owners</label>
    <label id="id_24288_448952_2_1" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of the outstanding shares of the Company owned by a related party</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:type="locator"/>
    <label id="id_24288_446720_1_1" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minority Interest Ownership Percentage By Parent</label>
    <label id="id_24288_446720_2_1" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase of additional interests in subsidiaries, percentage owned by parent company</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByParent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:type="locator"/>
    <label id="id_24288_442709_1_1" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minority Interest Period Increase Decrease</label>
    <label id="id_24288_442709_2_1" xlink:label="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital transaction with consolidated subsidiaries and other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestPeriodIncreaseDecrease" xlink:to="us-gaap_MinorityInterestPeriodIncreaseDecrease_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MultiemployerPlanPeriodContributions" xlink:label="us-gaap_MultiemployerPlanPeriodContributions" xlink:type="locator"/>
    <label id="id_24288_446016_1_1" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Multiemployer Plan Period Contributions</label>
    <label id="id_24288_446016_2_1" xlink:label="us-gaap_MultiemployerPlanPeriodContributions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Multiemployer plans, total amounts of cost recognized for contributions</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MultiemployerPlanPeriodContributions" xlink:to="us-gaap_MultiemployerPlanPeriodContributions_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain" xlink:type="locator"/>
    <label id="id_24288_446721_1_1" xlink:label="us-gaap_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Name Of Major Customer [Domain]</label>
    <label id="id_24288_446721_2_1" xlink:label="us-gaap_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name of Major Customer [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="us-gaap_NameOfMajorCustomerDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations" xlink:type="locator"/>
    <label id="id_24288_450968_1_1" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nature Of Operations</label>
    <label id="id_24288_450968_2_1" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nature of operations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator"/>
    <label id="id_24288_455588_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Financing Activities</label>
    <label id="id_24288_455588_6_1" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in) provided by financing activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator"/>
    <label id="id_24288_441258_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Financing Activities [Abstract]</label>
    <label id="id_24288_441258_2_1" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator"/>
    <label id="id_24288_442115_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Investing Activities</label>
    <label id="id_24288_442115_6_1" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in investing activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator"/>
    <label id="id_24288_446874_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Investing Activities [Abstract]</label>
    <label id="id_24288_446874_2_1" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator"/>
    <label id="id_24288_444138_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Operating Activities</label>
    <label id="id_24288_444138_6_1" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>
    <label id="id_24288_455701_1_1" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided By Used In Operating Activities [Abstract]</label>
    <label id="id_24288_455701_2_1" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xlink:type="locator"/>
    <label id="id_24288_448373_1_1" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss</label>
    <label id="id_24288_448373_6_1" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="locator"/>
    <label id="id_24288_441875_1_1" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Attributable To Noncontrolling Interest</label>
    <label id="id_24288_441875_8_1" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Less: Net income attributable to noncontrolling interests</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:type="locator"/>
    <label id="id_24288_450174_1_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders Basic</label>
    <label id="id_24288_450174_2_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <label id="id_24288_450174_6_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:type="locator"/>
    <label id="id_24288_451579_1_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders Basic [Abstract]</label>
    <label id="id_24288_451579_2_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic net income attributable to Nidec Corporation per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:type="locator"/>
    <label id="id_24288_448091_1_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders Diluted</label>
    <label id="id_24288_448091_2_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from continuing operations attributable to Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract" xlink:type="locator"/>
    <label id="id_24288_449671_1_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders Diluted [Abstract]</label>
    <label id="id_24288_449671_2_1" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted net income attributable to Nidec Corporation per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersDilutedAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NetPeriodicBenefitCostMember" xlink:label="nj_NetPeriodicBenefitCostMember" xlink:type="locator"/>
    <label id="id_24288_492320_3_1" xlink:label="nj_NetPeriodicBenefitCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Cost [Member]</label>
    <label id="id_24288_492320_1_1" xlink:label="nj_NetPeriodicBenefitCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Cost [Member]</label>
    <label id="id_24288_492320_2_1" xlink:label="nj_NetPeriodicBenefitCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NetPeriodicBenefitCostMember" xlink:to="nj_NetPeriodicBenefitCostMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NetPeriodicBenefitCostsMember" xlink:label="nj_NetPeriodicBenefitCostsMember" xlink:type="locator"/>
    <label id="id_24288_486307_3_1" xlink:label="nj_NetPeriodicBenefitCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Costs [Member]</label>
    <label id="id_24288_486307_1_1" xlink:label="nj_NetPeriodicBenefitCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Costs [Member]</label>
    <label id="id_24288_486307_2_1" xlink:label="nj_NetPeriodicBenefitCostsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Periodic Benefit Costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NetPeriodicBenefitCostsMember" xlink:to="nj_NetPeriodicBenefitCostsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecCopalCorporationMember" xlink:label="nj_NidecCopalCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473657_3_1" xlink:label="nj_NidecCopalCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Copal Corporation [Member]</label>
    <label id="id_24288_473657_1_1" xlink:label="nj_NidecCopalCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Copal Corporation [Member]</label>
    <label id="id_24288_473657_2_1" xlink:label="nj_NidecCopalCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCPL</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecCopalCorporationMember" xlink:to="nj_NidecCopalCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecCopalElectronicsCorporationMember" xlink:label="nj_NidecCopalElectronicsCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473659_3_1" xlink:label="nj_NidecCopalElectronicsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Copal Electronics Corporation [Member]</label>
    <label id="id_24288_473659_1_1" xlink:label="nj_NidecCopalElectronicsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Copal Electronics Corporation [Member]</label>
    <label id="id_24288_473659_2_1" xlink:label="nj_NidecCopalElectronicsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCEL</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecCopalElectronicsCorporationMember" xlink:to="nj_NidecCopalElectronicsCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecCorporationInJapanMember" xlink:label="nj_NidecCorporationInJapanMember" xlink:type="locator"/>
    <label id="id_24288_473649_3_1" xlink:label="nj_NidecCorporationInJapanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Corporation in Japan [Member]</label>
    <label id="id_24288_473649_1_1" xlink:label="nj_NidecCorporationInJapanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Corporation In Japan [Member]</label>
    <label id="id_24288_473649_2_1" xlink:label="nj_NidecCorporationInJapanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NCJ</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecCorporationInJapanMember" xlink:to="nj_NidecCorporationInJapanMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecDalianLimitedMember" xlink:label="nj_NidecDalianLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473652_3_1" xlink:label="nj_NidecDalianLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec (Dalian) Limited [Member]</label>
    <label id="id_24288_473652_1_1" xlink:label="nj_NidecDalianLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Dalian Limited [Member]</label>
    <label id="id_24288_473652_2_1" xlink:label="nj_NidecDalianLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NIDC (formerly NCD)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecDalianLimitedMember" xlink:to="nj_NidecDalianLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecElectronicsThailandCompanyLimitedMember" xlink:label="nj_NidecElectronicsThailandCompanyLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473650_3_1" xlink:label="nj_NidecElectronicsThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Electronics (Thailand) Company, Limited [Member]</label>
    <label id="id_24288_473650_1_1" xlink:label="nj_NidecElectronicsThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Electronics Thailand Company Limited [Member]</label>
    <label id="id_24288_473650_2_1" xlink:label="nj_NidecElectronicsThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NIRT (formerly NET)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecElectronicsThailandCompanyLimitedMember" xlink:to="nj_NidecElectronicsThailandCompanyLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecHongKongCompanyLimitedMember" xlink:label="nj_NidecHongKongCompanyLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473654_3_1" xlink:label="nj_NidecHongKongCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec (Hong Kong) Company, Limited [Member]</label>
    <label id="id_24288_473654_1_1" xlink:label="nj_NidecHongKongCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Hong Kong Company Limited [Member]</label>
    <label id="id_24288_473654_2_1" xlink:label="nj_NidecHongKongCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NIHC (formerly NCH)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecHongKongCompanyLimitedMember" xlink:to="nj_NidecHongKongCompanyLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecMotorActuatorsGermanyGmbhMember" xlink:label="nj_NidecMotorActuatorsGermanyGmbhMember" xlink:type="locator"/>
    <label id="id_24288_473662_3_1" xlink:label="nj_NidecMotorActuatorsGermanyGmbhMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Motor &amp; Actuators (Germany) GmbH [Member]</label>
    <label id="id_24288_473662_1_1" xlink:label="nj_NidecMotorActuatorsGermanyGmbhMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Motor Actuators Germany Gmbh [Member]</label>
    <label id="id_24288_473662_2_1" xlink:label="nj_NidecMotorActuatorsGermanyGmbhMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NMA</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecMotorActuatorsGermanyGmbhMember" xlink:to="nj_NidecMotorActuatorsGermanyGmbhMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecMotorHoldingsCorporationMember" xlink:label="nj_NidecMotorHoldingsCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473661_3_1" xlink:label="nj_NidecMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Motor Holdings Corporation [Member]</label>
    <label id="id_24288_473661_1_1" xlink:label="nj_NidecMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Motor Holdings Corporation [Member]</label>
    <label id="id_24288_473661_2_1" xlink:label="nj_NidecMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NMC</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecMotorHoldingsCorporationMember" xlink:to="nj_NidecMotorHoldingsCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecPegionBusinessMember" xlink:label="nj_NidecPegionBusinessMember" xlink:type="locator"/>
    <label id="id_24288_496846_3_1" xlink:label="nj_NidecPegionBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Pegion Business [Member]</label>
    <label id="id_24288_496846_1_1" xlink:label="nj_NidecPegionBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Pegion Business [Member]</label>
    <label id="id_24288_496846_2_1" xlink:label="nj_NidecPegionBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nidec Pegion Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecPegionBusinessMember" xlink:to="nj_NidecPegionBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecPhilippinesCorporationMember" xlink:label="nj_NidecPhilippinesCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473655_3_1" xlink:label="nj_NidecPhilippinesCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Philippines Corporation [Member]</label>
    <label id="id_24288_473655_1_1" xlink:label="nj_NidecPhilippinesCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Philippines Corporation [Member]</label>
    <label id="id_24288_473655_2_1" xlink:label="nj_NidecPhilippinesCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NILF (formerly NCF)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecPhilippinesCorporationMember" xlink:to="nj_NidecPhilippinesCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecSankyoCorporationMember" xlink:label="nj_NidecSankyoCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473656_3_1" xlink:label="nj_NidecSankyoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Sankyo Corporation [Member]</label>
    <label id="id_24288_473656_1_1" xlink:label="nj_NidecSankyoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Sankyo Corporation [Member]</label>
    <label id="id_24288_473656_2_1" xlink:label="nj_NidecSankyoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NSNK</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecSankyoCorporationMember" xlink:to="nj_NidecSankyoCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecServoCorporationMember" xlink:label="nj_NidecServoCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473663_3_1" xlink:label="nj_NidecServoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Servo Corporation [Member]</label>
    <label id="id_24288_473663_1_1" xlink:label="nj_NidecServoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Servo Corporation [Member]</label>
    <label id="id_24288_473663_2_1" xlink:label="nj_NidecServoCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NSRV</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecServoCorporationMember" xlink:to="nj_NidecServoCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecSingaporePteLimitedMember" xlink:label="nj_NidecSingaporePteLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473653_3_1" xlink:label="nj_NidecSingaporePteLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Singapore Pte Limited [Member]</label>
    <label id="id_24288_473653_1_1" xlink:label="nj_NidecSingaporePteLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Singapore Pte Limited [Member]</label>
    <label id="id_24288_473653_2_1" xlink:label="nj_NidecSingaporePteLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NILS (formerly NCS)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecSingaporePteLimitedMember" xlink:to="nj_NidecSingaporePteLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecTechnoMotorHoldingsCorporationMember" xlink:label="nj_NidecTechnoMotorHoldingsCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473660_3_1" xlink:label="nj_NidecTechnoMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Techno Motor Holdings Corporation [Member]</label>
    <label id="id_24288_473660_1_1" xlink:label="nj_NidecTechnoMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Techno Motor Holdings Corporation [Member]</label>
    <label id="id_24288_473660_2_1" xlink:label="nj_NidecTechnoMotorHoldingsCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NTMC</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecTechnoMotorHoldingsCorporationMember" xlink:to="nj_NidecTechnoMotorHoldingsCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecTosokCorporationMember" xlink:label="nj_NidecTosokCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473658_3_1" xlink:label="nj_NidecTosokCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec Tosok Corporation [Member]</label>
    <label id="id_24288_473658_1_1" xlink:label="nj_NidecTosokCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Tosok Corporation [Member]</label>
    <label id="id_24288_473658_2_1" xlink:label="nj_NidecTosokCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NTSC</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecTosokCorporationMember" xlink:to="nj_NidecTosokCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NidecZhejiangCorporationMember" xlink:label="nj_NidecZhejiangCorporationMember" xlink:type="locator"/>
    <label id="id_24288_473651_3_1" xlink:label="nj_NidecZhejiangCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Nidec (Zhejiang) Corporation [Member]</label>
    <label id="id_24288_473651_1_1" xlink:label="nj_NidecZhejiangCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nidec Zhejiang Corporation [Member]</label>
    <label id="id_24288_473651_2_1" xlink:label="nj_NidecZhejiangCorporationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NIPC (formerly NCC)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NidecZhejiangCorporationMember" xlink:to="nj_NidecZhejiangCorporationMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NoncancelableLeaseObligationsMember" xlink:label="nj_NoncancelableLeaseObligationsMember" xlink:type="locator"/>
    <label id="id_24288_469652_3_1" xlink:label="nj_NoncancelableLeaseObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Noncancelable Lease Obligations [Member]</label>
    <label id="id_24288_469652_1_1" xlink:label="nj_NoncancelableLeaseObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncancelable Lease Obligations [Member]</label>
    <label id="id_24288_469652_2_1" xlink:label="nj_NoncancelableLeaseObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncancelable Lease Obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NoncancelableLeaseObligationsMember" xlink:to="nj_NoncancelableLeaseObligationsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NonCancelableLeaseReceivableMember" xlink:label="nj_NonCancelableLeaseReceivableMember" xlink:type="locator"/>
    <label id="id_24288_473510_3_1" xlink:label="nj_NonCancelableLeaseReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non Cancelable Lease Receivable [Member]</label>
    <label id="id_24288_473510_1_1" xlink:label="nj_NonCancelableLeaseReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non Cancelable Lease Receivable [Member]</label>
    <label id="id_24288_473510_2_1" xlink:label="nj_NonCancelableLeaseReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non Cancelable Lease Receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NonCancelableLeaseReceivableMember" xlink:to="nj_NonCancelableLeaseReceivableMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1" xlink:type="locator"/>
    <label id="id_24288_442186_1_1" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Shares Issued 1</label>
    <label id="id_24288_442186_32_1" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Total number of shares allocated in the share exchange with Nidec Sankyo Corporation</label>
    <label id="id_24288_442186_2_1" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase of additional interests in subsidiaries, shares of common stock held in treasury allocated for the share exchange</label>
    <label id="id_24288_442186_12_1" xlink:label="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share exchange transaction, shares of common stock held in treasury allocated for the share exchange</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1" xlink:to="us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" xlink:type="locator"/>
    <label id="id_24288_443747_1_1" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Member]</label>
    <label id="id_24288_443747_2_1" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non- controlling interests</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NoncurrentAssetsMember" xlink:label="nj_NoncurrentAssetsMember" xlink:type="locator"/>
    <label id="id_24288_468066_3_1" xlink:label="nj_NoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Noncurrent Assets [Member]</label>
    <label id="id_24288_468066_1_1" xlink:label="nj_NoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncurrent Assets [Member]</label>
    <label id="id_24288_468066_2_1" xlink:label="nj_NoncurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term loan receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NoncurrentAssetsMember" xlink:to="nj_NoncurrentAssetsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="us-gaap_NondesignatedMember" xlink:type="locator"/>
    <label id="id_24288_445999_1_1" xlink:label="us-gaap_NondesignatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nondesignated [Member]</label>
    <label id="id_24288_445999_2_1" xlink:label="us-gaap_NondesignatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Not Designated as Hedging Instrument</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NondesignatedMember" xlink:to="us-gaap_NondesignatedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense" xlink:type="locator"/>
    <label id="id_24288_448410_1_1" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income Expense</label>
    <label id="id_24288_448410_6_1" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense), Total</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="locator"/>
    <label id="id_24288_451121_1_1" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income Expense [Abstract]</label>
    <label id="id_24288_451121_2_1" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other income (expense):</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NotesAndAccountsReceivablesNetCurrentAbstract" xlink:label="nj_NotesAndAccountsReceivablesNetCurrentAbstract" xlink:type="locator"/>
    <label id="id_24288_457212_3_1" xlink:label="nj_NotesAndAccountsReceivablesNetCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes And Accounts Receivables, Net, Current [Abstract]</label>
    <label id="id_24288_457212_1_1" xlink:label="nj_NotesAndAccountsReceivablesNetCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes And Accounts Receivables Net Current [Abstract]</label>
    <label id="id_24288_457212_2_1" xlink:label="nj_NotesAndAccountsReceivablesNetCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade notes and accounts receivable, net of allowance for doubtful accounts of &#xA5;496 million on March 31, 2011 and &#xA5;496 million on March 31, 2012:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NotesAndAccountsReceivablesNetCurrentAbstract" xlink:to="nj_NotesAndAccountsReceivablesNetCurrentAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent" xlink:type="locator"/>
    <label id="id_24288_452283_1_1" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes And Loans Receivable Net Current</label>
    <label id="id_24288_452283_2_1" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesAndLoansReceivableNetCurrent" xlink:to="us-gaap_NotesAndLoansReceivableNetCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NotesPayableToBanksMember" xlink:label="us-gaap_NotesPayableToBanksMember" xlink:type="locator"/>
    <label id="id_24288_440937_1_1" xlink:label="us-gaap_NotesPayableToBanksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Payable To Banks [Member]</label>
    <label id="id_24288_440937_2_1" xlink:label="us-gaap_NotesPayableToBanksMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes Payable to Banks</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesPayableToBanksMember" xlink:to="us-gaap_NotesPayableToBanksMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NotionalAmountOfDerivatives" xlink:label="us-gaap_NotionalAmountOfDerivatives" xlink:type="locator"/>
    <label id="id_24288_443108_1_1" xlink:label="us-gaap_NotionalAmountOfDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional Amount Of Derivatives</label>
    <label id="id_24288_443108_2_1" xlink:label="us-gaap_NotionalAmountOfDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual amounts</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotionalAmountOfDerivatives" xlink:to="us-gaap_NotionalAmountOfDerivatives_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_NTNNidecThailandCompanyLimitedMember" xlink:label="nj_NTNNidecThailandCompanyLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473529_3_1" xlink:label="nj_NTNNidecThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">NTN Nidec Thailand Company Limited [Member]</label>
    <label id="id_24288_473529_1_1" xlink:label="nj_NTNNidecThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">N T N Nidec Thailand Company Limited [Member]</label>
    <label id="id_24288_473529_2_1" xlink:label="nj_NTNNidecThailandCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NTN Nidec Thailand Company Limited</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_NTNNidecThailandCompanyLimitedMember" xlink:to="nj_NTNNidecThailandCompanyLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" xlink:type="locator"/>
    <label id="id_24288_451396_1_1" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income Loss</label>
    <label id="id_24288_451396_2_1" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income</label>
    <label id="id_24288_451396_6_1" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating income</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:type="locator"/>
    <label id="id_24288_450076_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due</label>
    <label id="id_24288_450076_6_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total minimum future rentals</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:type="locator"/>
    <label id="id_24288_455058_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due Current</label>
    <label id="id_24288_455058_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:type="locator"/>
    <label id="id_24288_453425_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Five Years</label>
    <label id="id_24288_453425_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:type="locator"/>
    <label id="id_24288_445257_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Four Years</label>
    <label id="id_24288_445257_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:type="locator"/>
    <label id="id_24288_441329_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Three Years</label>
    <label id="id_24288_441329_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:type="locator"/>
    <label id="id_24288_451526_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due In Two Years</label>
    <label id="id_24288_451526_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:type="locator"/>
    <label id="id_24288_454296_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due Thereafter</label>
    <label id="id_24288_454296_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 and thereafter</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:type="locator"/>
    <label id="id_24288_453103_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable</label>
    <label id="id_24288_453103_6_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total minimum future rentals</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:type="locator"/>
    <label id="id_24288_440900_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable Current</label>
    <label id="id_24288_440900_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:type="locator"/>
    <label id="id_24288_443768_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable In Five Years</label>
    <label id="id_24288_443768_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:type="locator"/>
    <label id="id_24288_441669_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable In Four Years</label>
    <label id="id_24288_441669_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:type="locator"/>
    <label id="id_24288_447839_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable In Three Years</label>
    <label id="id_24288_447839_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:type="locator"/>
    <label id="id_24288_445311_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable In Two Years</label>
    <label id="id_24288_445311_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:type="locator"/>
    <label id="id_24288_449227_1_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Receivable Thereafter</label>
    <label id="id_24288_449227_2_1" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018 and thereafter</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementLeaseRevenue" xlink:label="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue" xlink:type="locator"/>
    <label id="id_24288_455304_1_1" xlink:label="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Income Statement Lease Revenue</label>
    <label id="id_24288_455304_2_1" xlink:label="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental revenues under operating leases</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue" xlink:to="us-gaap_OperatingLeasesIncomeStatementLeaseRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock" xlink:label="us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_444313_1_1" xlink:label="us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Of Lessee Disclosure [Text Block]</label>
    <label id="id_24288_444313_2_1" xlink:label="us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases of Lessee Disclosure</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock" xlink:to="us-gaap_OperatingLeasesOfLesseeDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" xlink:type="locator"/>
    <label id="id_24288_449568_1_1" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards</label>
    <label id="id_24288_449568_2_1" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating loss carryforwards</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:type="locator"/>
    <label id="id_24288_453160_1_1" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards Expiration Dates</label>
    <label id="id_24288_453160_2_1" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating loss carryforwards, expiration period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLossCarryforwardsExpirationDates" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDates_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember" xlink:type="locator"/>
    <label id="id_24288_450145_1_1" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Segments [Member]</label>
    <label id="id_24288_450145_2_1" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OpticalPickupUnitBusinessMember" xlink:label="nj_OpticalPickupUnitBusinessMember" xlink:type="locator"/>
    <label id="id_24288_473664_3_1" xlink:label="nj_OpticalPickupUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Optical Pickup Unit Business [Member]</label>
    <label id="id_24288_473664_1_1" xlink:label="nj_OpticalPickupUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Optical Pickup Unit Business [Member]</label>
    <label id="id_24288_473664_2_1" xlink:label="nj_OpticalPickupUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Optical Pickup Unit Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OpticalPickupUnitBusinessMember" xlink:to="nj_OpticalPickupUnitBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherAdjustmentsMember" xlink:label="nj_OtherAdjustmentsMember" xlink:type="locator"/>
    <label id="id_24288_469666_3_1" xlink:label="nj_OtherAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other adjustments [Member]</label>
    <label id="id_24288_469666_1_1" xlink:label="nj_OtherAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Adjustments [Member]</label>
    <label id="id_24288_469666_2_1" xlink:label="nj_OtherAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other adjustments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherAdjustmentsMember" xlink:to="nj_OtherAdjustmentsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent" xlink:type="locator"/>
    <label id="id_24288_455575_1_1" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets Current</label>
    <label id="id_24288_455575_2_1" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</label>
    <label id="id_24288_455575_6_1" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl" xlink:type="arc"/>
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    <label id="id_24288_452612_2_1" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized holding gains (losses) arising during period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCountriesMember" xlink:label="nj_OtherCountriesMember" xlink:type="locator"/>
    <label id="id_24288_469956_3_1" xlink:label="nj_OtherCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Countries [Member]</label>
    <label id="id_24288_469956_1_1" xlink:label="nj_OtherCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Countries [Member]</label>
    <label id="id_24288_469956_2_1" xlink:label="nj_OtherCountriesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCountriesMember" xlink:to="nj_OtherCountriesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCurrentAssetsDisclosureTextBlock" xlink:label="nj_OtherCurrentAssetsDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_475258_3_1" xlink:label="nj_OtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Current Assets Disclosure [Text Block]</label>
    <label id="id_24288_475258_1_1" xlink:label="nj_OtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Assets Disclosure [Text Block]</label>
    <label id="id_24288_475258_2_1" xlink:label="nj_OtherCurrentAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCurrentAssetsDisclosureTextBlock" xlink:to="nj_OtherCurrentAssetsDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCurrentAssetsMember" xlink:label="nj_OtherCurrentAssetsMember" xlink:type="locator"/>
    <label id="id_24288_467802_3_1" xlink:label="nj_OtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Current Assets [Member]</label>
    <label id="id_24288_467802_1_1" xlink:label="nj_OtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Assets [Member]</label>
    <label id="id_24288_467802_2_1" xlink:label="nj_OtherCurrentAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCurrentAssetsMember" xlink:to="nj_OtherCurrentAssetsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCurrentLiabilitiesDisclosureTextBlock" xlink:label="nj_OtherCurrentLiabilitiesDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_475234_3_1" xlink:label="nj_OtherCurrentLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Current Liabilities Disclosure</label>
    <label id="id_24288_475234_1_1" xlink:label="nj_OtherCurrentLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Liabilities Disclosure [Text Block]</label>
    <label id="id_24288_475234_2_1" xlink:label="nj_OtherCurrentLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCurrentLiabilitiesDisclosureTextBlock" xlink:to="nj_OtherCurrentLiabilitiesDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCurrentLiabilitiesMember" xlink:label="nj_OtherCurrentLiabilitiesMember" xlink:type="locator"/>
    <label id="id_24288_468080_3_1" xlink:label="nj_OtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Current Liabilities [Member]</label>
    <label id="id_24288_468080_1_1" xlink:label="nj_OtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Liabilities [Member]</label>
    <label id="id_24288_468080_2_1" xlink:label="nj_OtherCurrentLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCurrentLiabilitiesMember" xlink:to="nj_OtherCurrentLiabilitiesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherCurrentLiabilitiesTableTextBlock" xlink:label="nj_OtherCurrentLiabilitiesTableTextBlock" xlink:type="locator"/>
    <label id="id_24288_482816_3_1" xlink:label="nj_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Current Liabilities [Table Text Block]</label>
    <label id="id_24288_482816_1_1" xlink:label="nj_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Current Liabilities Table [Text Block]</label>
    <label id="id_24288_482816_2_1" xlink:label="nj_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Current Liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherCurrentLiabilitiesTableTextBlock" xlink:to="nj_OtherCurrentLiabilitiesTableTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="us-gaap_OtherIncomeMember" xlink:type="locator"/>
    <label id="id_24288_454321_1_1" xlink:label="us-gaap_OtherIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income [Member]</label>
    <label id="id_24288_454321_2_1" xlink:label="us-gaap_OtherIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Income</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeMember" xlink:to="us-gaap_OtherIncomeMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="us-gaap_OtherIntangibleAssetsMember" xlink:type="locator"/>
    <label id="id_24288_456307_1_1" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Intangible Assets [Member]</label>
    <label id="id_24288_456307_2_1" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIntangibleAssetsMember" xlink:to="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherInvestmentFundsMember" xlink:label="nj_OtherInvestmentFundsMember" xlink:type="locator"/>
    <label id="id_24288_472732_3_1" xlink:label="nj_OtherInvestmentFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Investment Funds [Member]</label>
    <label id="id_24288_472732_1_1" xlink:label="nj_OtherInvestmentFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Investment Funds [Member]</label>
    <label id="id_24288_472732_2_1" xlink:label="nj_OtherInvestmentFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherInvestmentFundsMember" xlink:to="nj_OtherInvestmentFundsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent" xlink:label="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent" xlink:type="locator"/>
    <label id="id_24288_460464_3_1" xlink:label="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Investments And Marketable Securities, Noncurrent</label>
    <label id="id_24288_460464_1_1" xlink:label="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Investments And Marketable Securities Noncurrent</label>
    <label id="id_24288_460464_2_1" xlink:label="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketable securities and other securities investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent" xlink:to="nj_OtherInvestmentsAndMarketableSecuritiesNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="us-gaap_OtherLiabilitiesCurrent" xlink:type="locator"/>
    <label id="id_24288_447022_1_1" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Current</label>
    <label id="id_24288_447022_2_1" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesCurrent" xlink:to="us-gaap_OtherLiabilitiesCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_442043_1_1" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Disclosure [Text Block]</label>
    <label id="id_24288_442043_2_1" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherLiabilitiesLineItems" xlink:label="nj_OtherLiabilitiesLineItems" xlink:type="locator"/>
    <label id="id_24288_457471_3_1" xlink:label="nj_OtherLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Liabilities [Line Items]</label>
    <label id="id_24288_457471_1_1" xlink:label="nj_OtherLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities [Line Items]</label>
    <label id="id_24288_457471_2_1" xlink:label="nj_OtherLiabilitiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Liabilities [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherLiabilitiesLineItems" xlink:to="nj_OtherLiabilitiesLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherLiabilitiesMiscellaneousNoncurrent" xlink:label="nj_OtherLiabilitiesMiscellaneousNoncurrent" xlink:type="locator"/>
    <label id="id_24288_477021_3_1" xlink:label="nj_OtherLiabilitiesMiscellaneousNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Liabilities, Miscellaneous, Noncurrent</label>
    <label id="id_24288_477021_1_1" xlink:label="nj_OtherLiabilitiesMiscellaneousNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Miscellaneous Noncurrent</label>
    <label id="id_24288_477021_2_1" xlink:label="nj_OtherLiabilitiesMiscellaneousNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherLiabilitiesMiscellaneousNoncurrent" xlink:to="nj_OtherLiabilitiesMiscellaneousNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent" xlink:type="locator"/>
    <label id="id_24288_448359_1_1" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities Noncurrent</label>
    <label id="id_24288_448359_2_1" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other long-term liabilities</label>
    <label id="id_24288_448359_6_1" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Other long-term liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherNoncurrentLiabilitiesTableTextBlock" xlink:label="nj_OtherNoncurrentLiabilitiesTableTextBlock" xlink:type="locator"/>
    <label id="id_24288_475540_3_1" xlink:label="nj_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Noncurrent Liabilities, Table [Text Block]</label>
    <label id="id_24288_475540_1_1" xlink:label="nj_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncurrent Liabilities Table [Text Block]</label>
    <label id="id_24288_475540_2_1" xlink:label="nj_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Noncurrent Liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherNoncurrentLiabilitiesTableTextBlock" xlink:to="nj_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" xlink:type="locator"/>
    <label id="id_24288_442697_1_1" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income Expense</label>
    <label id="id_24288_442697_2_1" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_OtherProductsMember" xlink:label="nj_OtherProductsMember" xlink:type="locator"/>
    <label id="id_24288_468621_3_1" xlink:label="nj_OtherProductsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other products [Member]</label>
    <label id="id_24288_468621_1_1" xlink:label="nj_OtherProductsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Products [Member]</label>
    <label id="id_24288_468621_2_1" xlink:label="nj_OtherProductsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Others</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_OtherProductsMember" xlink:to="nj_OtherProductsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherReceivables" xlink:label="us-gaap_OtherReceivables" xlink:type="locator"/>
    <label id="id_24288_450152_1_1" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Receivables</label>
    <label id="id_24288_450152_2_1" xlink:label="us-gaap_OtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivables" xlink:to="us-gaap_OtherReceivables_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherShortTermBorrowings" xlink:label="us-gaap_OtherShortTermBorrowings" xlink:type="locator"/>
    <label id="id_24288_451016_1_1" xlink:label="us-gaap_OtherShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Short Term Borrowings</label>
    <label id="id_24288_451016_8_1" xlink:label="us-gaap_OtherShortTermBorrowings_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Short-term borrowings</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherShortTermBorrowings" xlink:to="us-gaap_OtherShortTermBorrowings_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherSundryLiabilitiesCurrent" xlink:label="us-gaap_OtherSundryLiabilitiesCurrent" xlink:type="locator"/>
    <label id="id_24288_443100_1_1" xlink:label="us-gaap_OtherSundryLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Sundry Liabilities Current</label>
    <label id="id_24288_443100_2_1" xlink:label="us-gaap_OtherSundryLiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherSundryLiabilitiesCurrent" xlink:to="us-gaap_OtherSundryLiabilitiesCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ParentCompanyAndDomesticSubsidiariesMember" xlink:label="nj_ParentCompanyAndDomesticSubsidiariesMember" xlink:type="locator"/>
    <label id="id_24288_473709_3_1" xlink:label="nj_ParentCompanyAndDomesticSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Parent Company And Domestic Subsidiaries [Member]</label>
    <label id="id_24288_473709_1_1" xlink:label="nj_ParentCompanyAndDomesticSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent Company And Domestic Subsidiaries [Member]</label>
    <label id="id_24288_473709_2_1" xlink:label="nj_ParentCompanyAndDomesticSubsidiariesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Company and domestic subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ParentCompanyAndDomesticSubsidiariesMember" xlink:to="nj_ParentCompanyAndDomesticSubsidiariesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" xlink:type="locator"/>
    <label id="id_24288_455230_1_1" xlink:label="us-gaap_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent Company [Member]</label>
    <label id="id_24288_455230_2_1" xlink:label="us-gaap_ParentCompanyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent Company</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentCompanyMember" xlink:to="us-gaap_ParentCompanyMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" xlink:type="locator"/>
    <label id="id_24288_442763_1_1" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [Member]</label>
    <label id="id_24288_442763_2_1" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nidec Corporation total shareholders' equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_ParentMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PatentsMember" xlink:label="us-gaap_PatentsMember" xlink:type="locator"/>
    <label id="id_24288_453190_1_1" xlink:label="us-gaap_PatentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Patents [Member]</label>
    <label id="id_24288_453190_2_1" xlink:label="us-gaap_PatentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Patent rights</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PatentsMember" xlink:to="us-gaap_PatentsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:type="locator"/>
    <label id="id_24288_446610_1_1" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Proceeds From Other Investing Activities</label>
    <label id="id_24288_446610_8_1" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:type="locator"/>
    <label id="id_24288_441280_1_1" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments For Repurchase Of Common Stock</label>
    <label id="id_24288_441280_8_1" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Purchases of treasury stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends" xlink:type="locator"/>
    <label id="id_24288_454525_1_1" xlink:label="us-gaap_PaymentsOfDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Of Dividends</label>
    <label id="id_24288_454525_8_1" xlink:label="us-gaap_PaymentsOfDividends_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Dividends paid to shareholders of Nidec Corporation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest" xlink:type="locator"/>
    <label id="id_24288_447280_1_1" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments Of Dividends Minority Interest</label>
    <label id="id_24288_447280_8_1" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Dividends paid to noncontrolling interests</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsMinorityInterest" xlink:to="us-gaap_PaymentsOfDividendsMinorityInterest_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:type="locator"/>
    <label id="id_24288_455448_1_1" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Acquire Businesses Net Of Cash Acquired</label>
    <label id="id_24288_455448_8_1" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Acquisitions of business, net of cash acquired</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities" xlink:type="locator"/>
    <label id="id_24288_446554_1_1" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Acquire Marketable Securities</label>
    <label id="id_24288_446554_8_1" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Purchases of marketable securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireMarketableSecurities" xlink:to="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator"/>
    <label id="id_24288_450798_1_1" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Acquire Property Plant And Equipment</label>
    <label id="id_24288_450798_2_1" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated total</label>
    <label id="id_24288_450798_8_1" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Additions to property, plant and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="us-gaap_PaymentsToMinorityShareholders" xlink:type="locator"/>
    <label id="id_24288_446278_1_1" xlink:label="us-gaap_PaymentsToMinorityShareholders_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Minority Shareholders</label>
    <label id="id_24288_446278_8_1" xlink:label="us-gaap_PaymentsToMinorityShareholders_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Payments for additional investments in subsidiaries</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToMinorityShareholders" xlink:to="us-gaap_PaymentsToMinorityShareholders_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_447857_1_1" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension And Other Postretirement Benefits Disclosure [Text Block]</label>
    <label id="id_24288_447857_2_1" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension and severance plans</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:type="locator"/>
    <label id="id_24288_447710_1_1" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent</label>
    <label id="id_24288_447710_2_1" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued pension and severance</label>
    <label id="id_24288_447710_12_1" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued pension and severance costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:to="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve" xlink:label="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve" xlink:type="locator"/>
    <label id="id_24288_474895_3_1" xlink:label="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of Income Transferred To Retained Earnings Appropriated For Legal Reserve</label>
    <label id="id_24288_474895_1_1" xlink:label="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Income Transferred To Retained Earnings Appropriated For Legal Reserve</label>
    <label id="id_24288_474895_2_1" xlink:label="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of cash dividends that must be appropriated as a legal reserve</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve" xlink:to="nj_PercentageOfIncomeTransferredToRetainedEarningsAppropriatedForLegalReserve_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PeriodAxis" xlink:label="nj_PeriodAxis" xlink:type="locator"/>
    <label id="id_24288_476587_3_1" xlink:label="nj_PeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period [Axis]</label>
    <label id="id_24288_476587_1_1" xlink:label="nj_PeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period [Axis]</label>
    <label id="id_24288_476587_2_1" xlink:label="nj_PeriodAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PeriodAxis" xlink:to="nj_PeriodAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PeriodDomain" xlink:label="nj_PeriodDomain" xlink:type="locator"/>
    <label id="id_24288_473677_3_1" xlink:label="nj_PeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Period [Domain]</label>
    <label id="id_24288_473677_1_1" xlink:label="nj_PeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period [Domain]</label>
    <label id="id_24288_473677_2_1" xlink:label="nj_PeriodDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PeriodDomain" xlink:to="nj_PeriodDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_PH" xlink:label="country_PH" xlink:type="locator"/>
    <label id="id_24288_440605_1_1" xlink:label="country_PH_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">P H</label>
    <label id="id_24288_440605_2_1" xlink:label="country_PH_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Philippines</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_PH" xlink:to="country_PH_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466347_3_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - Amount of depreciation expense for the reportable segment. Information should be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466347_1_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466347_2_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_PhilippineGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466349_3_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.</label>
    <label id="id_24288_466349_1_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466349_2_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_PhilippineGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466343_3_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - Amount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466343_1_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466343_2_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_PhilippineGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466342_3_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - Amount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466342_1_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466342_2_1" xlink:label="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_PhilippineGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingSegmentAssets" xlink:label="nj_PhilippineGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466350_3_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - Total assets for reportable segments.</label>
    <label id="id_24288_466350_1_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466350_2_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingSegmentAssets" xlink:to="nj_PhilippineGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_485837_3_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philippine Gaap - The total amount of profit or loss for reportable segments.</label>
    <label id="id_24288_485837_1_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philippine Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_485837_2_1" xlink:label="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_PhilippineGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PooledDebtSecuritiesFundsMember" xlink:label="nj_PooledDebtSecuritiesFundsMember" xlink:type="locator"/>
    <label id="id_24288_472107_3_1" xlink:label="nj_PooledDebtSecuritiesFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pooled Debt Securities Funds [Member]</label>
    <label id="id_24288_472107_1_1" xlink:label="nj_PooledDebtSecuritiesFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pooled Debt Securities Funds [Member]</label>
    <label id="id_24288_472107_2_1" xlink:label="nj_PooledDebtSecuritiesFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pooled funds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PooledDebtSecuritiesFundsMember" xlink:to="nj_PooledDebtSecuritiesFundsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PooledFundsMember" xlink:label="nj_PooledFundsMember" xlink:type="locator"/>
    <label id="id_24288_473376_3_1" xlink:label="nj_PooledFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pooled Funds [Member]</label>
    <label id="id_24288_473376_1_1" xlink:label="nj_PooledFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pooled Funds [Member]</label>
    <label id="id_24288_473376_2_1" xlink:label="nj_PooledFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pooled Funds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PooledFundsMember" xlink:to="nj_PooledFundsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:type="locator"/>
    <label id="id_24288_454043_1_1" xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Insurance Settlement Investing Activities</label>
    <label id="id_24288_454043_2_1" xlink:label="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance proceeds related to property, plant and equipment damaged in flood</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities" xlink:to="us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:type="locator"/>
    <label id="id_24288_440860_1_1" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Issuance Of Other Long Term Debt</label>
    <label id="id_24288_440860_2_1" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of corporate bonds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:type="locator"/>
    <label id="id_24288_441441_1_1" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Payments For Other Financing Activities</label>
    <label id="id_24288_441441_2_1" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:type="locator"/>
    <label id="id_24288_451987_1_1" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Repayments Of Short Term Debt</label>
    <label id="id_24288_451987_2_1" xlink:label="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Decrease) increase in short-term borrowings</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfShortTermDebt_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="locator"/>
    <label id="id_24288_449890_1_1" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale And Maturity Of Marketable Securities</label>
    <label id="id_24288_449890_2_1" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale or redemption of marketable securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:type="locator"/>
    <label id="id_24288_448643_1_1" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale Of Available For Sale Securities Equity</label>
    <label id="id_24288_448643_2_1" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sales of available-for-sale securities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="locator"/>
    <label id="id_24288_442013_1_1" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale Of Property Plant And Equipment</label>
    <label id="id_24288_442013_2_1" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sales of property, plant and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product1Member" xlink:label="nj_Product1Member" xlink:type="locator"/>
    <label id="id_24288_473513_3_1" xlink:label="nj_Product1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 1 [Member]</label>
    <label id="id_24288_473513_1_1" xlink:label="nj_Product1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 1 [Member]</label>
    <label id="id_24288_473513_2_1" xlink:label="nj_Product1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Small precision motors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product1Member" xlink:to="nj_Product1Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product1SubCategory1Member" xlink:label="nj_Product1SubCategory1Member" xlink:type="locator"/>
    <label id="id_24288_473517_3_1" xlink:label="nj_Product1SubCategory1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 1 [Member]</label>
    <label id="id_24288_473517_1_1" xlink:label="nj_Product1SubCategory1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 1 [Member]</label>
    <label id="id_24288_473517_2_1" xlink:label="nj_Product1SubCategory1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hard disk drives spindle motors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product1SubCategory1Member" xlink:to="nj_Product1SubCategory1Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product1SubCategory2Member" xlink:label="nj_Product1SubCategory2Member" xlink:type="locator"/>
    <label id="id_24288_473518_3_1" xlink:label="nj_Product1SubCategory2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 2 [Member]</label>
    <label id="id_24288_473518_1_1" xlink:label="nj_Product1SubCategory2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 2 [Member]</label>
    <label id="id_24288_473518_2_1" xlink:label="nj_Product1SubCategory2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other small precision brushless DC motors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product1SubCategory2Member" xlink:to="nj_Product1SubCategory2Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product1SubCategory3Member" xlink:label="nj_Product1SubCategory3Member" xlink:type="locator"/>
    <label id="id_24288_473519_3_1" xlink:label="nj_Product1SubCategory3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 3 [Member]</label>
    <label id="id_24288_473519_1_1" xlink:label="nj_Product1SubCategory3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 3 [Member]</label>
    <label id="id_24288_473519_2_1" xlink:label="nj_Product1SubCategory3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brushless DC fans</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product1SubCategory3Member" xlink:to="nj_Product1SubCategory3Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product1SubCategory4Member" xlink:label="nj_Product1SubCategory4Member" xlink:type="locator"/>
    <label id="id_24288_473520_3_1" xlink:label="nj_Product1SubCategory4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 4 [Member]</label>
    <label id="id_24288_473520_1_1" xlink:label="nj_Product1SubCategory4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 1 Sub Category 4 [Member]</label>
    <label id="id_24288_473520_2_1" xlink:label="nj_Product1SubCategory4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other small precision motors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product1SubCategory4Member" xlink:to="nj_Product1SubCategory4Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product2Member" xlink:label="nj_Product2Member" xlink:type="locator"/>
    <label id="id_24288_473514_3_1" xlink:label="nj_Product2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 2 [Member]</label>
    <label id="id_24288_473514_1_1" xlink:label="nj_Product2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 2 [Member]</label>
    <label id="id_24288_473514_2_1" xlink:label="nj_Product2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General motors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product2Member" xlink:to="nj_Product2Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product3Member" xlink:label="nj_Product3Member" xlink:type="locator"/>
    <label id="id_24288_473515_3_1" xlink:label="nj_Product3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 3 [Member]</label>
    <label id="id_24288_473515_1_1" xlink:label="nj_Product3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 3 [Member]</label>
    <label id="id_24288_473515_2_1" xlink:label="nj_Product3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product3Member" xlink:to="nj_Product3Member_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_Product4Member" xlink:label="nj_Product4Member" xlink:type="locator"/>
    <label id="id_24288_473516_3_1" xlink:label="nj_Product4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Product 4 [Member]</label>
    <label id="id_24288_473516_1_1" xlink:label="nj_Product4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product 4 [Member]</label>
    <label id="id_24288_473516_2_1" xlink:label="nj_Product4Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Electronic and optical components</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_Product4Member" xlink:to="nj_Product4Member_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductLiabilityContingencyLineItems" xlink:label="us-gaap_ProductLiabilityContingencyLineItems" xlink:type="locator"/>
    <label id="id_24288_456096_1_1" xlink:label="us-gaap_ProductLiabilityContingencyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Liability Contingency [Line Items]</label>
    <label id="id_24288_456096_2_1" xlink:label="us-gaap_ProductLiabilityContingencyLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product Liability Contingency [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductLiabilityContingencyLineItems" xlink:to="us-gaap_ProductLiabilityContingencyLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductLiabilityContingencyTable" xlink:label="us-gaap_ProductLiabilityContingencyTable" xlink:type="locator"/>
    <label id="id_24288_445791_1_1" xlink:label="us-gaap_ProductLiabilityContingencyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Liability Contingency [Table]</label>
    <label id="id_24288_445791_2_1" xlink:label="us-gaap_ProductLiabilityContingencyTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product Liability Contingency [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductLiabilityContingencyTable" xlink:to="us-gaap_ProductLiabilityContingencyTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis" xlink:type="locator"/>
    <label id="id_24288_456277_1_1" xlink:label="us-gaap_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Or Service [Axis]</label>
    <label id="id_24288_456277_2_1" xlink:label="us-gaap_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and Services [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductOrServiceAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="us-gaap_ProductsAndServicesDomain" xlink:type="locator"/>
    <label id="id_24288_453752_1_1" xlink:label="us-gaap_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products And Services [Domain]</label>
    <label id="id_24288_453752_2_1" xlink:label="us-gaap_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products and Services [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="us-gaap_ProductsAndServicesDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ProductsOrServicesNameSecondaryCategorizationDomain" xlink:label="nj_ProductsOrServicesNameSecondaryCategorizationDomain" xlink:type="locator"/>
    <label id="id_24288_473525_3_1" xlink:label="nj_ProductsOrServicesNameSecondaryCategorizationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Products or Services Name Secondary Categorization [Domain]</label>
    <label id="id_24288_473525_1_1" xlink:label="nj_ProductsOrServicesNameSecondaryCategorizationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products Or Services Name Secondary Categorization [Domain]</label>
    <label id="id_24288_473525_2_1" xlink:label="nj_ProductsOrServicesNameSecondaryCategorizationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products or Services Name Secondary Categorization [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ProductsOrServicesNameSecondaryCategorizationDomain" xlink:to="nj_ProductsOrServicesNameSecondaryCategorizationDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ProductsOrServicesSecondaryCategorizationAxis" xlink:label="nj_ProductsOrServicesSecondaryCategorizationAxis" xlink:type="locator"/>
    <label id="id_24288_476600_3_1" xlink:label="nj_ProductsOrServicesSecondaryCategorizationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Products or Services Secondary Categorization [Axis]</label>
    <label id="id_24288_476600_1_1" xlink:label="nj_ProductsOrServicesSecondaryCategorizationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Products Or Services Secondary Categorization [Axis]</label>
    <label id="id_24288_476600_2_1" xlink:label="nj_ProductsOrServicesSecondaryCategorizationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Products or Services Secondary Categorization [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ProductsOrServicesSecondaryCategorizationAxis" xlink:to="nj_ProductsOrServicesSecondaryCategorizationAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductWarrantyAccrual" xlink:label="us-gaap_ProductWarrantyAccrual" xlink:type="locator"/>
    <label id="id_24288_444903_1_1" xlink:label="us-gaap_ProductWarrantyAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual</label>
    <label id="id_24288_444903_4_1" xlink:label="us-gaap_ProductWarrantyAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance at end of year</label>
    <label id="id_24288_444903_5_1" xlink:label="us-gaap_ProductWarrantyAccrual_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance at beginning of year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductWarrantyAccrual" xlink:to="us-gaap_ProductWarrantyAccrual_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease" xlink:label="us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease" xlink:type="locator"/>
    <label id="id_24288_444893_1_1" xlink:label="us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual Currency Translation Increase Decrease</label>
    <label id="id_24288_444893_2_1" xlink:label="us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign exchange impact</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease" xlink:to="us-gaap_ProductWarrantyAccrualCurrencyTranslationIncreaseDecrease_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments" xlink:label="us-gaap_ProductWarrantyAccrualPayments" xlink:type="locator"/>
    <label id="id_24288_442981_1_1" xlink:label="us-gaap_ProductWarrantyAccrualPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual Payments</label>
    <label id="id_24288_442981_8_1" xlink:label="us-gaap_ProductWarrantyAccrualPayments_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Utilization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductWarrantyAccrualPayments" xlink:to="us-gaap_ProductWarrantyAccrualPayments_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:label="us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:type="locator"/>
    <label id="id_24288_450409_1_1" xlink:label="us-gaap_ProductWarrantyAccrualWarrantiesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product Warranty Accrual Warranties Issued</label>
    <label id="id_24288_450409_2_1" xlink:label="us-gaap_ProductWarrantyAccrualWarrantiesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Addition</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductWarrantyAccrualWarrantiesIssued" xlink:to="us-gaap_ProductWarrantyAccrualWarrantiesIssued_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:type="locator"/>
    <label id="id_24288_456234_1_1" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Profit Loss</label>
    <label id="id_24288_456234_2_1" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated net income</label>
    <label id="id_24288_456234_6_1" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Consolidated net income</label>
    <label id="id_24288_456234_12_1" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator"/>
    <label id="id_24288_441130_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment By Type [Axis]</label>
    <label id="id_24288_441130_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment by Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator"/>
    <label id="id_24288_451458_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Gross</label>
    <label id="id_24288_451458_6_1" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross, Total</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_PropertyPlantAndEquipmentMember" xlink:label="nj_PropertyPlantAndEquipmentMember" xlink:type="locator"/>
    <label id="id_24288_469835_3_1" xlink:label="nj_PropertyPlantAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property Plant and Equipment [Member]</label>
    <label id="id_24288_469835_1_1" xlink:label="nj_PropertyPlantAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment [Member]</label>
    <label id="id_24288_469835_2_1" xlink:label="nj_PropertyPlantAndEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Plant and Equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_PropertyPlantAndEquipmentMember" xlink:to="nj_PropertyPlantAndEquipmentMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator"/>
    <label id="id_24288_454339_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Net</label>
    <label id="id_24288_454339_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-lived assets</label>
    <label id="id_24288_454339_6_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Long-lived assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:type="locator"/>
    <label id="id_24288_442302_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Net [Abstract]</label>
    <label id="id_24288_442302_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-lived assets:</label>
    <label id="id_24288_442302_12_1" xlink:label="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:type="locator"/>
    <label id="id_24288_447501_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Other Types [Member]</label>
    <label id="id_24288_447501_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other products factories</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentOtherTypesMember" xlink:to="us-gaap_PropertyPlantAndEquipmentOtherTypesMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="locator"/>
    <label id="id_24288_453467_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Policy [Text Block]</label>
    <label id="id_24288_453467_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment and Change in Accounting Estimate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator"/>
    <label id="id_24288_449437_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Type [Domain]</label>
    <label id="id_24288_449437_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage" xlink:type="locator"/>
    <label id="id_24288_450902_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Useful Life Average</label>
    <label id="id_24288_450902_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, estimated useful life (in years)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLifeAverage_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:type="locator"/>
    <label id="id_24288_451301_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Useful Life Maximum</label>
    <label id="id_24288_451301_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, maximum estimated useful life (in years)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLifeMaximum_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:type="locator"/>
    <label id="id_24288_446818_1_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Useful Life Minimum</label>
    <label id="id_24288_446818_2_1" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment, minimum estimated useful life (in years)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLifeMinimum_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_QuarterlyFinancialInformationLineItems" xlink:label="nj_QuarterlyFinancialInformationLineItems" xlink:type="locator"/>
    <label id="id_24288_457537_3_1" xlink:label="nj_QuarterlyFinancialInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information [Line Items]</label>
    <label id="id_24288_457537_1_1" xlink:label="nj_QuarterlyFinancialInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information [Line Items]</label>
    <label id="id_24288_457537_2_1" xlink:label="nj_QuarterlyFinancialInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Quarterly Financial Information [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_QuarterlyFinancialInformationLineItems" xlink:to="nj_QuarterlyFinancialInformationLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_QuarterlyFinancialInformationTable" xlink:label="nj_QuarterlyFinancialInformationTable" xlink:type="locator"/>
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    <label id="id_24288_476226_3_1" xlink:label="nj_RecentlyAdoptedAccountingStandardsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recently Adopted Accounting Standards, Policy [Text Block]</label>
    <label id="id_24288_476226_1_1" xlink:label="nj_RecentlyAdoptedAccountingStandardsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recently Adopted Accounting Standards Policy [Text Block]</label>
    <label id="id_24288_476226_2_1" xlink:label="nj_RecentlyAdoptedAccountingStandardsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting Changes</label>
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    <label id="id_24288_475695_1_1" xlink:label="nj_ReclassificationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassifications Policy [Text Block]</label>
    <label id="id_24288_475695_2_1" xlink:label="nj_ReclassificationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification</label>
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    <label id="id_24288_475619_2_1" xlink:label="nj_ReconciliationOfBeginningAndEndingAmountsOfUnrecognizedTaxBenefitsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of the Beginning and Ending Amounts of Unrecognized Tax Benefits</label>
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    <label id="id_24288_476388_1_1" xlink:label="nj_ReconciliationOfStatutoryFederalTaxRateTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation Of Statutory Federal Tax Rate [Table]</label>
    <label id="id_24288_476388_2_1" xlink:label="nj_ReconciliationOfStatutoryFederalTaxRateTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Statutory Federal Tax Rate [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ReconciliationOfStatutoryFederalTaxRateTable" xlink:to="nj_ReconciliationOfStatutoryFederalTaxRateTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:type="locator"/>
    <label id="id_24288_442080_1_1" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <label id="id_24288_442080_2_1" xlink:label="us-gaap_RelatedPartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xlink:type="locator"/>
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    <label id="id_24288_446616_2_1" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="locator"/>
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    <label id="id_24288_445071_2_1" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transactions, by Related Party [Axis]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_455167_1_1" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</label>
    <label id="id_24288_455167_2_1" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party transactions</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt" xlink:type="locator"/>
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    <loc xlink:href="nj-20120331.xsd#nj_RepurchaseAtBoardOfDirectorsMeetingsResolutionMember" xlink:label="nj_RepurchaseAtBoardOfDirectorsMeetingsResolutionMember" xlink:type="locator"/>
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    <label id="id_24288_479114_1_1" xlink:label="nj_RepurchaseAtBoardOfDirectorsMeetingsResolutionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase At Board Of Directors Meetings Resolution [Member]</label>
    <label id="id_24288_479114_2_1" xlink:label="nj_RepurchaseAtBoardOfDirectorsMeetingsResolutionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase at Board of Directors Meetings Resolution</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xlink:label="us-gaap_ResearchDevelopmentAndComputerSoftwarePolicyTextBlock" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsUnappropriated" xlink:label="us-gaap_RetainedEarningsUnappropriated" xlink:type="locator"/>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShortTermDebtTable" xlink:to="us-gaap_ScheduleOfShortTermDebtTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:type="locator"/>
    <label id="id_24288_452126_1_1" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Short Term Debt [Text Block]</label>
    <label id="id_24288_452126_2_1" xlink:label="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Short-term Debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:to="us-gaap_ScheduleOfShortTermDebtTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SCWadoCompanyLimitedMember" xlink:label="nj_SCWadoCompanyLimitedMember" xlink:type="locator"/>
    <label id="id_24288_473530_3_1" xlink:label="nj_SCWadoCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SC Wado Company Limited [Member]</label>
    <label id="id_24288_473530_1_1" xlink:label="nj_SCWadoCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">S C Wado Company Limited [Member]</label>
    <label id="id_24288_473530_2_1" xlink:label="nj_SCWadoCompanyLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SC Wado Company Limited</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SCWadoCompanyLimitedMember" xlink:to="nj_SCWadoCompanyLimitedMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentContinuingOperationsMember" xlink:label="us-gaap_SegmentContinuingOperationsMember" xlink:type="locator"/>
    <label id="id_24288_448482_1_1" xlink:label="us-gaap_SegmentContinuingOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Continuing Operations [Member]</label>
    <label id="id_24288_448482_2_1" xlink:label="us-gaap_SegmentContinuingOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Continuing Operations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentContinuingOperationsMember" xlink:to="us-gaap_SegmentContinuingOperationsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember" xlink:type="locator"/>
    <label id="id_24288_452540_1_1" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Discontinued Operations [Member]</label>
    <label id="id_24288_452540_2_1" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Discontinued Operations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDiscontinuedOperationsMember" xlink:to="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:type="locator"/>
    <label id="id_24288_442531_1_1" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment [Domain]</label>
    <label id="id_24288_442531_2_1" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain" xlink:type="locator"/>
    <label id="id_24288_445680_1_1" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Geographical [Domain]</label>
    <label id="id_24288_445680_2_1" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Geographical [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="us-gaap_SegmentGeographicalDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="us-gaap_SegmentOperatingActivitiesDomain" xlink:type="locator"/>
    <label id="id_24288_453608_1_1" xlink:label="us-gaap_SegmentOperatingActivitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Operating Activities [Domain]</label>
    <label id="id_24288_453608_2_1" xlink:label="us-gaap_SegmentOperatingActivitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Operating Activities [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentOperatingActivitiesDomain" xlink:to="us-gaap_SegmentOperatingActivitiesDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SegmentReportingDisclosureLineItems" xlink:label="nj_SegmentReportingDisclosureLineItems" xlink:type="locator"/>
    <label id="id_24288_457475_3_1" xlink:label="nj_SegmentReportingDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Line Items]</label>
    <label id="id_24288_457475_1_1" xlink:label="nj_SegmentReportingDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Line Items]</label>
    <label id="id_24288_457475_2_1" xlink:label="nj_SegmentReportingDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SegmentReportingDisclosureLineItems" xlink:to="nj_SegmentReportingDisclosureLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SegmentReportingDisclosureTable" xlink:label="nj_SegmentReportingDisclosureTable" xlink:type="locator"/>
    <label id="id_24288_476384_3_1" xlink:label="nj_SegmentReportingDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Table]</label>
    <label id="id_24288_476384_1_1" xlink:label="nj_SegmentReportingDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Table]</label>
    <label id="id_24288_476384_2_1" xlink:label="nj_SegmentReportingDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SegmentReportingDisclosureTable" xlink:to="nj_SegmentReportingDisclosureTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="locator"/>
    <label id="id_24288_443414_1_1" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</label>
    <label id="id_24288_443414_2_1" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment information</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:label="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:type="locator"/>
    <label id="id_24288_450493_1_1" xlink:label="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Information Operating Income Loss [Abstract]</label>
    <label id="id_24288_450493_2_1" xlink:label="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:to="us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationRevenueAbstract" xlink:label="us-gaap_SegmentReportingInformationRevenueAbstract" xlink:type="locator"/>
    <label id="id_24288_441359_1_1" xlink:label="us-gaap_SegmentReportingInformationRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Information Revenue [Abstract]</label>
    <label id="id_24288_441359_2_1" xlink:label="us-gaap_SegmentReportingInformationRevenueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationRevenueAbstract" xlink:to="us-gaap_SegmentReportingInformationRevenueAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:type="locator"/>
    <label id="id_24288_452685_1_1" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling General And Administrative Expense</label>
    <label id="id_24288_452685_2_1" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling, general and administrative expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SemiconductorManufacturingEquipmentBusinessMember" xlink:label="nj_SemiconductorManufacturingEquipmentBusinessMember" xlink:type="locator"/>
    <label id="id_24288_473665_3_1" xlink:label="nj_SemiconductorManufacturingEquipmentBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Semiconductor Manufacturing Equipment Business [Member]</label>
    <label id="id_24288_473665_1_1" xlink:label="nj_SemiconductorManufacturingEquipmentBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Semiconductor Manufacturing Equipment Business [Member]</label>
    <label id="id_24288_473665_2_1" xlink:label="nj_SemiconductorManufacturingEquipmentBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Semiconductor Manufacturing Equipment Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SemiconductorManufacturingEquipmentBusinessMember" xlink:to="nj_SemiconductorManufacturingEquipmentBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/country/2011/country-2011-01-31.xsd#country_SG" xlink:label="country_SG" xlink:type="locator"/>
    <label id="id_24288_440351_1_1" xlink:label="country_SG_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">S G</label>
    <label id="id_24288_440351_2_1" xlink:label="country_SG_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Singapore</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_SG" xlink:to="country_SG_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ShareExchangeMember" xlink:label="nj_ShareExchangeMember" xlink:type="locator"/>
    <label id="id_24288_481387_3_1" xlink:label="nj_ShareExchangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Exchange [Member]</label>
    <label id="id_24288_481387_1_1" xlink:label="nj_ShareExchangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Exchange [Member]</label>
    <label id="id_24288_481387_2_1" xlink:label="nj_ShareExchangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Exchange</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ShareExchangeMember" xlink:to="nj_ShareExchangeMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ShareRepurchasesByProgramAxis" xlink:label="nj_ShareRepurchasesByProgramAxis" xlink:type="locator"/>
    <label id="id_24288_476508_3_1" xlink:label="nj_ShareRepurchasesByProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Repurchases, by Program [Axis]</label>
    <label id="id_24288_476508_1_1" xlink:label="nj_ShareRepurchasesByProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchases By Program [Axis]</label>
    <label id="id_24288_476508_2_1" xlink:label="nj_ShareRepurchasesByProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Repurchases, by Program [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ShareRepurchasesByProgramAxis" xlink:to="nj_ShareRepurchasesByProgramAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ShareRepurchasesByProgramDomain" xlink:label="nj_ShareRepurchasesByProgramDomain" xlink:type="locator"/>
    <label id="id_24288_467990_3_1" xlink:label="nj_ShareRepurchasesByProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Repurchases, by Program [Domain]</label>
    <label id="id_24288_467990_1_1" xlink:label="nj_ShareRepurchasesByProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchases By Program [Domain]</label>
    <label id="id_24288_467990_2_1" xlink:label="nj_ShareRepurchasesByProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Repurchases, by Program [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ShareRepurchasesByProgramDomain" xlink:to="nj_ShareRepurchasesByProgramDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding" xlink:type="locator"/>
    <label id="id_24288_451274_1_1" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Outstanding</label>
    <label id="id_24288_451274_4_1" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance (in shares)</label>
    <label id="id_24288_451274_5_1" xlink:label="us-gaap_SharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance (in shares)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings" xlink:type="locator"/>
    <label id="id_24288_453936_1_1" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Borrowings</label>
    <label id="id_24288_453936_2_1" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term borrowings</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowings" xlink:to="us-gaap_ShortTermBorrowings_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ShortTermBorrowingsFairValueDisclosure" xlink:label="nj_ShortTermBorrowingsFairValueDisclosure" xlink:type="locator"/>
    <label id="id_24288_460014_3_1" xlink:label="nj_ShortTermBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-Term Borrowings, Fair Value Disclosure</label>
    <label id="id_24288_460014_1_1" xlink:label="nj_ShortTermBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Borrowings Fair Value Disclosure</label>
    <label id="id_24288_460014_8_1" xlink:label="nj_ShortTermBorrowingsFairValueDisclosure_lbl" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:type="resource" xml:lang="en-US">Short-term borrowings</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ShortTermBorrowingsFairValueDisclosure" xlink:to="nj_ShortTermBorrowingsFairValueDisclosure_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermDebtLineItems" xlink:label="us-gaap_ShortTermDebtLineItems" xlink:type="locator"/>
    <label id="id_24288_456394_1_1" xlink:label="us-gaap_ShortTermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Debt [Line Items]</label>
    <label id="id_24288_456394_2_1" xlink:label="us-gaap_ShortTermDebtLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtLineItems" xlink:to="us-gaap_ShortTermDebtLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="us-gaap_ShortTermDebtTypeAxis" xlink:type="locator"/>
    <label id="id_24288_453782_1_1" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Debt Type [Axis]</label>
    <label id="id_24288_453782_2_1" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeAxis" xlink:to="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="us-gaap_ShortTermDebtTypeDomain" xlink:type="locator"/>
    <label id="id_24288_454123_1_1" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Debt Type [Domain]</label>
    <label id="id_24288_454123_2_1" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTypeDomain" xlink:to="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:type="locator"/>
    <label id="id_24288_446654_1_1" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Debt Weighted Average Interest Rate</label>
    <label id="id_24288_446654_2_1" xlink:label="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term borrowings, average interest per annum</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtWeightedAverageInterestRate" xlink:to="us-gaap_ShortTermDebtWeightedAverageInterestRate_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="us-gaap_ShortTermInvestments" xlink:type="locator"/>
    <label id="id_24288_454122_1_1" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Investments</label>
    <label id="id_24288_454122_2_1" xlink:label="us-gaap_ShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermInvestments" xlink:to="us-gaap_ShortTermInvestments_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SignificantAccountingPoliciesLineItems" xlink:label="nj_SignificantAccountingPoliciesLineItems" xlink:type="locator"/>
    <label id="id_24288_457453_3_1" xlink:label="nj_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Line Items]</label>
    <label id="id_24288_457453_1_1" xlink:label="nj_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Line Items]</label>
    <label id="id_24288_457453_2_1" xlink:label="nj_SignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SignificantAccountingPoliciesLineItems" xlink:to="nj_SignificantAccountingPoliciesLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SignificantAccountingPoliciesTable" xlink:label="nj_SignificantAccountingPoliciesTable" xlink:type="locator"/>
    <label id="id_24288_476461_3_1" xlink:label="nj_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <label id="id_24288_476461_1_1" xlink:label="nj_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <label id="id_24288_476461_2_1" xlink:label="nj_SignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SignificantAccountingPoliciesTable" xlink:to="nj_SignificantAccountingPoliciesTable_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:type="locator"/>
    <label id="id_24288_449007_1_1" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <label id="id_24288_449007_2_1" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of significant accounting policies</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_466368_3_1" xlink:label="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sinapore Gaap - The total amount of profit or loss for reportable segments.</label>
    <label id="id_24288_466368_1_1" xlink:label="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sinapore Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_466368_2_1" xlink:label="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_SinaporeGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SingaporeGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466329_3_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Singapore Gaap - Amount of depreciation expense for the reportable segment. Information should be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466329_1_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466329_2_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_SingaporeGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466331_3_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Singapore Gaap - Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.</label>
    <label id="id_24288_466331_1_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466331_2_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_SingaporeGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466325_3_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Singapore Gaap - Amount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466325_1_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466325_2_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_SingaporeGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466324_3_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Singapore Gaap - Amount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466324_1_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466324_2_1" xlink:label="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_SingaporeGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SingaporeGaapSegmentReportingSegmentAssets" xlink:label="nj_SingaporeGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466332_3_1" xlink:label="nj_SingaporeGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Singapore Gaap - Total assets for reportable segments.</label>
    <label id="id_24288_466332_1_1" xlink:label="nj_SingaporeGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Singapore Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466332_2_1" xlink:label="nj_SingaporeGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SingaporeGaapSegmentReportingSegmentAssets" xlink:to="nj_SingaporeGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SoftwareMember" xlink:label="us-gaap_SoftwareMember" xlink:type="locator"/>
    <label id="id_24288_452438_1_1" xlink:label="us-gaap_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Software [Member]</label>
    <label id="id_24288_452438_2_1" xlink:label="us-gaap_SoftwareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Software</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SoftwareMember" xlink:to="us-gaap_SoftwareMember_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_SpecialtyLensUnitBusinessMember" xlink:label="nj_SpecialtyLensUnitBusinessMember" xlink:type="locator"/>
    <label id="id_24288_481454_3_1" xlink:label="nj_SpecialtyLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Specialty Lens Unit Business [Member]</label>
    <label id="id_24288_481454_1_1" xlink:label="nj_SpecialtyLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Specialty Lens Unit Business [Member]</label>
    <label id="id_24288_481454_2_1" xlink:label="nj_SpecialtyLensUnitBusinessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Specialty Lens Unit Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_SpecialtyLensUnitBusinessMember" xlink:to="nj_SpecialtyLensUnitBusinessMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:type="locator"/>
    <label id="id_24288_442428_1_1" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Business Segments [Axis]</label>
    <label id="id_24288_442428_2_1" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Business Segments [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:type="locator"/>
    <label id="id_24288_452905_1_1" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Equity Components [Axis]</label>
    <label id="id_24288_452905_2_1" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Equity Components [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis" xlink:type="locator"/>
    <label id="id_24288_446310_1_1" xlink:label="us-gaap_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Geographical [Axis]</label>
    <label id="id_24288_446310_2_1" xlink:label="us-gaap_StatementGeographicalAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Geographical [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_StatementGeographicalAxis_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" xlink:type="locator"/>
    <label id="id_24288_442947_1_1" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</label>
    <label id="id_24288_442947_2_1" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator"/>
    <label id="id_24288_444291_1_1" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Of Cash Flows [Abstract]</label>
    <label id="id_24288_444291_2_1" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract" xlink:type="locator"/>
    <label id="id_24288_445234_1_1" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Of Financial Position [Abstract]</label>
    <label id="id_24288_445234_2_1" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator"/>
    <label id="id_24288_454336_1_1" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement Of Stockholders Equity [Abstract]</label>
    <label id="id_24288_454336_2_1" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:type="arc"/>
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    <label id="id_24288_440419_1_1" xlink:label="country_TH_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">T H</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_TH" xlink:to="country_TH_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingInformationDepreciationExpense" xlink:label="nj_ThaiGaapSegmentReportingInformationDepreciationExpense" xlink:type="locator"/>
    <label id="id_24288_466320_3_1" xlink:label="nj_ThaiGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - Amount of depreciation expense for the reportable segment. Information should be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466320_1_1" xlink:label="nj_ThaiGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Information Depreciation Expense</label>
    <label id="id_24288_466320_2_1" xlink:label="nj_ThaiGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingInformationDepreciationExpense" xlink:to="nj_ThaiGaapSegmentReportingInformationDepreciationExpense_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:label="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:type="locator"/>
    <label id="id_24288_466322_3_1" xlink:label="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment. Must be disclosed if the amount (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets.</label>
    <label id="id_24288_466322_1_1" xlink:label="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Information Expenditures For Additions To Long Lived Assets</label>
    <label id="id_24288_466322_2_1" xlink:label="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenditure for segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets" xlink:to="nj_ThaiGaapSegmentReportingInformationExpendituresForAdditionsToLongLivedAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue" xlink:label="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue" xlink:type="locator"/>
    <label id="id_24288_466316_3_1" xlink:label="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - Amount of revenue from transactions with other operating segments of the same entity. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466316_1_1" xlink:label="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Information Intersegment Revenue</label>
    <label id="id_24288_466316_2_1" xlink:label="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to other operating segments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue" xlink:to="nj_ThaiGaapSegmentReportingInformationIntersegmentRevenue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:label="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:type="locator"/>
    <label id="id_24288_466315_3_1" xlink:label="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - Amount of revenue from external customers for the reportable segment. Must be disclosed if the amounts (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss</label>
    <label id="id_24288_466315_1_1" xlink:label="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Information Revenue From External Customers</label>
    <label id="id_24288_466315_2_1" xlink:label="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net sales to external customers</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers" xlink:to="nj_ThaiGaapSegmentReportingInformationRevenueFromExternalCustomers_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingSegmentAssets" xlink:label="nj_ThaiGaapSegmentReportingSegmentAssets" xlink:type="locator"/>
    <label id="id_24288_466323_3_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - Total assets for reportable segments.</label>
    <label id="id_24288_466323_1_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Segment Assets</label>
    <label id="id_24288_466323_2_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingSegmentAssets" xlink:to="nj_ThaiGaapSegmentReportingSegmentAssets_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss" xlink:label="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss" xlink:type="locator"/>
    <label id="id_24288_466367_3_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Thai Gaap - The total amount of profit or loss for reportable segments.</label>
    <label id="id_24288_466367_1_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Thai Gaap Segment Reporting Segment Operating Profit Loss</label>
    <label id="id_24288_466367_2_1" xlink:label="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating income or loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss" xlink:to="nj_ThaiGaapSegmentReportingSegmentOperatingProfitLoss_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TimeDepositsAtCarryingValue" xlink:label="us-gaap_TimeDepositsAtCarryingValue" xlink:type="locator"/>
    <label id="id_24288_456391_1_1" xlink:label="us-gaap_TimeDepositsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Time Deposits At Carrying Value</label>
    <label id="id_24288_456391_2_1" xlink:label="us-gaap_TimeDepositsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Time deposit</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDepositsAtCarryingValue" xlink:to="us-gaap_TimeDepositsAtCarryingValue_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_TotalDeferredIncomeTaxExpenseBenefit" xlink:label="nj_TotalDeferredIncomeTaxExpenseBenefit" xlink:type="locator"/>
    <label id="id_24288_461315_3_1" xlink:label="nj_TotalDeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Deferred Income Tax Expense (Benefit)</label>
    <label id="id_24288_461315_1_1" xlink:label="nj_TotalDeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Deferred Income Tax Expense Benefit</label>
    <label id="id_24288_461315_6_1" xlink:label="nj_TotalDeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total deferred</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_TotalDeferredIncomeTaxExpenseBenefit" xlink:to="nj_TotalDeferredIncomeTaxExpenseBenefit_lbl" xlink:type="arc"/>
    <loc xlink:href="nj-20120331.xsd#nj_TradeNotesAndAccountsPayableCurrent" xlink:label="nj_TradeNotesAndAccountsPayableCurrent" xlink:type="locator"/>
    <label id="id_24288_460197_3_1" xlink:label="nj_TradeNotesAndAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trade Notes and Accounts Payable, Current</label>
    <label id="id_24288_460197_1_1" xlink:label="nj_TradeNotesAndAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Notes And Accounts Payable Current</label>
    <label id="id_24288_460197_2_1" xlink:label="nj_TradeNotesAndAccountsPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade notes and accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="nj_TradeNotesAndAccountsPayableCurrent" xlink:to="nj_TradeNotesAndAccountsPayableCurrent_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.sec.gov/dei/2011/dei-2011-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol" xlink:type="locator"/>
    <label id="id_24288_440666_1_1" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</label>
    <label id="id_24288_440666_2_1" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" xlink:type="locator"/>
    <label id="id_24288_449678_1_1" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock [Member]</label>
    <label id="id_24288_449678_2_1" xlink:label="us-gaap_TreasuryStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury stock, at cost</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-