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  <xs:element name="DeferredTaxAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DeferredTaxAssetsAbstract"/>
  <xs:element name="NetExternalSalesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_NetExternalSalesAbstract"/>
  <xs:element name="GrossMarginAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_GrossMarginAbstract"/>
  <xs:element name="SellingGeneralAndAdministrativeExpensesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SellingGeneralAndAdministrativeExpensesAbstract"/>
  <xs:element name="OperatingIncomeAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OperatingIncomeAbstract"/>
  <xs:element name="TotalAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalAssetsAbstract"/>
  <xs:element name="CapitalExpendituresAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_CapitalExpendituresAbstract"/>
  <xs:element name="DepreciationAmortizationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DepreciationAmortizationAbstract"/>
  <xs:element name="GeographicExternalSalesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_GeographicExternalSalesAbstract"/>
  <xs:element name="GeographicLongLivedAssetsAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_GeographicLongLivedAssetsAbstract"/>
  <xs:element name="AccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AccruedExpensesAndOtherCurrentLiabilities"/>
  <xs:element name="PreferredStockIssuanceNetOfIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_PreferredStockIssuanceNetOfIssuanceCosts"/>
  <xs:element name="CommonStockIssuanceNetOfIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_CommonStockIssuanceNetOfIssuanceCosts"/>
  <xs:element name="IncreaseDecreaseInAccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_IncreaseDecreaseInAccruedExpensesAndOtherCurrentLiabilities"/>
  <xs:element name="LeasesTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_LeasesTextBlock"/>
  <xs:element name="DodgeAcquisitionTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DodgeAcquisitionTextBlock"/>
  <xs:element name="GeneralPolicyTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_GeneralPolicyTextBlock"/>
  <xs:element name="ScheduleOfEstimatedUsefulLivesTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ScheduleOfEstimatedUsefulLivesTableTextBlock"/>
  <xs:element name="ScheduleOfImpactOfLeasingOnTheConsolidatedBalanceSheetsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ScheduleOfImpactOfLeasingOnTheConsolidatedBalanceSheetsTableTextBlock"/>
  <xs:element name="ScheduleOfFutureUndiscountedLeasePaymentsForTheRemainingLeaseTermsOfOperatingLeaseTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ScheduleOfFutureUndiscountedLeasePaymentsForTheRemainingLeaseTermsOfOperatingLeaseTableTextBlock"/>
  <xs:element name="ScheduleOfFutureUndiscountedLeasePaymentsForTheRemainingLeaseTermsOfFinanceLeaseTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ScheduleOfFutureUndiscountedLeasePaymentsForTheRemainingLeaseTermsOfFinanceLeaseTableTextBlock"/>
  <xs:element name="ScheduleOfCostReductionInitiativesOrAnticipatedIntegrationCostsRelatedToTheAcquisitionsTableTextBlock" type="dtr:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ScheduleOfCostReductionInitiativesOrAnticipatedIntegrationCostsRelatedToTheAcquisitionsTableTextBlock"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsScheduleofestimatedusefullivesTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_SummaryofSignificantAccountingPoliciesDetailsScheduleofestimatedusefullivesTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsScheduleofestimatedusefullivesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SummaryofSignificantAccountingPoliciesDetailsScheduleofestimatedusefullivesLineItems"/>
  <xs:element name="RevenuePerformanceObligationPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_RevenuePerformanceObligationPercentage"/>
  <xs:element name="AllowanceForDoubtfulAccountsBalanceAtBeginningOfYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AllowanceForDoubtfulAccountsBalanceAtBeginningOfYear"/>
  <xs:element name="FinancingReceivableAllowanceForCreditLossesAdditions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinancingReceivableAllowanceForCreditLossesAdditions"/>
  <xs:element name="AllowanceForDoubtfulAccountsBalanceAtEndOfYear" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AllowanceForDoubtfulAccountsBalanceAtEndOfYear"/>
  <xs:element name="OperatingLeaseAssetsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_OperatingLeaseAssetsNet"/>
  <xs:element name="FinanceLeaseRightOfUseAssetsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinanceLeaseRightOfUseAssetsNet"/>
  <xs:element name="OperatingAndFinancingTotalLeasedAssetsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_OperatingAndFinancingTotalLeasedAssetsNet"/>
  <xs:element name="FinanceLeasesLiabilityCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinanceLeasesLiabilityCurrent"/>
  <xs:element name="FinanceLeasesLiabilityNoncurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinanceLeasesLiabilityNoncurrent"/>
  <xs:element name="TotalLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalLeaseLiabilities"/>
  <xs:element name="TotalFutureUndiscountedLeasePayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalFutureUndiscountedLeasePayments"/>
  <xs:element name="OperatingLessImputedInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_OperatingLessImputedInterest"/>
  <xs:element name="TotalFutureUndiscountedFinanceLeasePayments" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalFutureUndiscountedFinanceLeasePayments"/>
  <xs:element name="FinancingLessImputedInterest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinancingLessImputedInterest"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccruedRebates" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccruedRebates"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccruedExpensesAndOtherCurrentLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsAccruedExpensesAndOtherCurrentLiabilities"/>
  <xs:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitieCurrent" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitieCurrent"/>
  <xs:element name="NetConsideration" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_NetConsideration"/>
  <xs:element name="AllocationInTheThirdQuarter" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AllocationInTheThirdQuarter"/>
  <xs:element name="NonamortizableRepairStationCertifications" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_NonamortizableRepairStationCertifications"/>
  <xs:element name="FiniteLivedIntangibleAssetUsefulLifeTotal" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_FiniteLivedIntangibleAssetUsefulLifeTotal"/>
  <xs:element name="TotalFiniteLivedIntangibleAssetsGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalFiniteLivedIntangibleAssetsGross"/>
  <xs:element name="FiniteLivedIntangibleAssetsAccumulatedAmortizationNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_FiniteLivedIntangibleAssetsAccumulatedAmortizationNet"/>
  <xs:element name="FiniteLivedIntangibleAssetsAmortizationExpenseYearSix" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix"/>
  <xs:element name="EmployeeCompensationAndRelatedBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_EmployeeCompensationAndRelatedBenefits"/>
  <xs:element name="ContractsLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_ContractsLiabilities"/>
  <xs:element name="CurrentFinanceLeaseLiabilitie" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_CurrentFinanceLeaseLiabilitie"/>
  <xs:element name="RevolverAndTermLoanFacilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_RevolverAndTermLoanFacilities"/>
  <xs:element name="ContractLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_ContractLiabilities"/>
  <xs:element name="NoncurrentFinanceLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_NoncurrentFinanceLeaseLiabilities"/>
  <xs:element name="OtherLiabilitiesNoncurrents1" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_OtherLiabilitiesNoncurrents1"/>
  <xs:element name="IncomeTaxesDetailsScheduleofincomebeforeincometaxesfortheCompanysdomesticandforeignoperationsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_IncomeTaxesDetailsScheduleofincomebeforeincometaxesfortheCompanysdomesticandforeignoperationsTable"/>
  <xs:element name="IncomeTaxesDetailsScheduleofincomebeforeincometaxesfortheCompanysdomesticandforeignoperationsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_IncomeTaxesDetailsScheduleofincomebeforeincometaxesfortheCompanysdomesticandforeignoperationsLineItems"/>
  <xs:element name="DeferredIncomeTaxExpenseBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_DeferredIncomeTaxExpenseBenefits"/>
  <xs:element name="CompanyownedLifeInsurance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_CompanyownedLifeInsurance"/>
  <xs:element name="ForeignDerivedIntangibleIncomeFDII" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_ForeignDerivedIntangibleIncomeFDII"/>
  <xs:element name="USUnrecognizedTaxPositions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_USUnrecognizedTaxPositions"/>
  <xs:element name="FinanceLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinanceLeaseLiabilities"/>
  <xs:element name="OperatingLeaseAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_OperatingLeaseAssets"/>
  <xs:element name="GrossIncreasesdecreasesTaxPositionsTakenDuringAPriorPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_GrossIncreasesdecreasesTaxPositionsTakenDuringAPriorPeriod"/>
  <xs:element name="StockholdersEquityDetailsScheduleofstockoptionsoutstandingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_StockholdersEquityDetailsScheduleofstockoptionsoutstandingTable"/>
  <xs:element name="StockholdersEquityDetailsScheduleofstockoptionsoutstandingLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_StockholdersEquityDetailsScheduleofstockoptionsoutstandingLineItems"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIntrinsicValueAwarded" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIntrinsicValueAwarded"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValueForfeitures" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValueForfeitures"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTotalIntrinsicValueExpirations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsTotalIntrinsicValueExpirations"/>
  <xs:element name="SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm"/>
  <xs:element name="StockholdersEquityDetailsScheduleofrestrictedstockoutstandingTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_StockholdersEquityDetailsScheduleofrestrictedstockoutstandingTable"/>
  <xs:element name="StockholdersEquityDetailsScheduleofrestrictedstockoutstandingLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_StockholdersEquityDetailsScheduleofrestrictedstockoutstandingLineItems"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_SummaryofSignificantAccountingPoliciesDetailsTable"/>
  <xs:element name="SummaryofSignificantAccountingPoliciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SummaryofSignificantAccountingPoliciesDetailsLineItems"/>
  <xs:element name="PercentageOnTypesOfContract" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PercentageOnTypesOfContract"/>
  <xs:element name="ConcentrationRiskPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ConcentrationRiskPercentage"/>
  <xs:element name="FinanceLeasesAccumulatedAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_FinanceLeasesAccumulatedAmortization"/>
  <xs:element name="CashPaidIncludedInTheMeasurementOfOperatingLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_CashPaidIncludedInTheMeasurementOfOperatingLeaseLiabilities"/>
  <xs:element name="NewOperatingLeaseLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_NewOperatingLeaseLiability"/>
  <xs:element name="CashPaidIncludedInTheMeasurementOfFinanceLeaseLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_CashPaidIncludedInTheMeasurementOfFinanceLeaseLiabilities"/>
  <xs:element name="LeaseAssetsObtainedInExchangeForFinanceLeaseLiabilitiesThroughDodgeAcquisition" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_LeaseAssetsObtainedInExchangeForFinanceLeaseLiabilitiesThroughDodgeAcquisition"/>
  <xs:element name="NewFinanceLeaseLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_NewFinanceLeaseLiability"/>
  <xs:element name="DodgeAcquisitionDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_DodgeAcquisitionDetailsTable"/>
  <xs:element name="DodgeAcquisitionDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DodgeAcquisitionDetailsLineItems"/>
  <xs:element name="PurchaseOfCapitalStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PurchaseOfCapitalStockPercentage"/>
  <xs:element name="AcquisitionCostsIncurred" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AcquisitionCostsIncurred"/>
  <xs:element name="FairValueTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_FairValueTerm"/>
  <xs:element name="DodgeRevenueForPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_DodgeRevenueForPeriod"/>
  <xs:element name="DodgeOperatingIncomeForPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_DodgeOperatingIncomeForPeriod"/>
  <xs:element name="CostsAssociatedWithTheTemporaryServiceAgreementWithABB" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_CostsAssociatedWithTheTemporaryServiceAgreementWithABB"/>
  <xs:element name="GoodwillandIntangibleAssetsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_GoodwillandIntangibleAssetsDetailsTable"/>
  <xs:element name="GoodwillandIntangibleAssetsDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_GoodwillandIntangibleAssetsDetailsLineItems"/>
  <xs:element name="CommitmentFeeRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_CommitmentFeeRate"/>
  <xs:element name="RevolvingCreditFacility" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_RevolvingCreditFacility"/>
  <xs:element name="DebtInstrumentInterestRate" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DebtInstrumentInterestRate"/>
  <xs:element name="DebtIssuanceCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_DebtIssuanceCosts"/>
  <xs:element name="EmployeeBenefitPlansDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_EmployeeBenefitPlansDetailsTable"/>
  <xs:element name="EmployeeBenefitPlansDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_EmployeeBenefitPlansDetailsLineItems"/>
  <xs:element name="AccumulatedBenefitObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AccumulatedBenefitObligation"/>
  <xs:element name="NumberOfEmployees" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_NumberOfEmployees"/>
  <xs:element name="IncomeTaxesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_IncomeTaxesDetailsTable"/>
  <xs:element name="IncomeTaxesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_IncomeTaxesDetailsLineItems"/>
  <xs:element name="ExpirationDate" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ExpirationDate"/>
  <xs:element name="RecognizedExpensesOnInterestAndPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_RecognizedExpensesOnInterestAndPenalties"/>
  <xs:element name="DecreaseInFederalAndStateCreditsAndStateTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_DecreaseInFederalAndStateCreditsAndStateTax"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="roll_StockholdersEquityDetailsTable"/>
  <xs:element name="StockholdersEquityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_StockholdersEquityDetailsLineItems"/>
  <xs:element name="PercentageOfSeriesAMandatoryConvertiblePreferredStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PercentageOfSeriesAMandatoryConvertiblePreferredStock"/>
  <xs:element name="AnnualRatePercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="roll_AnnualRatePercentage"/>
  <xs:element name="AccruedDividend" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="roll_AccruedDividend"/>
  <xs:element name="LiquidationDescription" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_LiquidationDescription"/>
  <xs:element name="OfferingPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="roll_OfferingPricePerShare"/>
  <xs:element name="MaximumOptionToPurchaseCommonStockPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_MaximumOptionToPurchaseCommonStockPercentage"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairMarketValueMaximumLimit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairMarketValueMaximumLimit"/>
  <xs:element name="PercentageOfMinimumFairValueValueOfSharesOfCommonStock" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PercentageOfMinimumFairValueValueOfSharesOfCommonStock"/>
  <xs:element name="OptionToBeExercisedWithinPeShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OptionToBeExercisedWithinPeShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVotingInterestPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardVotingInterestPercentage"/>
  <xs:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceMinimumPercent" type="dtr:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="roll_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceMinimumPercent"/>
  <xs:element name="OptionsMustBeExercisedWithinDateOfGrant" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OptionsMustBeExercisedWithinDateOfGrant"/>
  <xs:element name="OutstandingOptionsToPurchase" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OutstandingOptionsToPurchase"/>
  <xs:element name="OutstandingOptionsToPurchaseExercisable" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="roll_OutstandingOptionsToPurchaseExercisable"/>
  <xs:element name="PercentageOfTotalAuthorizedNumberOfShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PercentageOfTotalAuthorizedNumberOfShares"/>
  <xs:element name="AllocatedShareBasedCompensationExpenseTaxEffect" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="roll_AllocatedShareBasedCompensationExpenseTaxEffect"/>
  <xs:element name="EmployeesRepresentedByLaborUnions" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_EmployeesRepresentedByLaborUnions"/>
  <xs:element name="AerospaceDefenseMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_AerospaceDefenseMember"/>
  <xs:element name="AmendedCreditAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_AmendedCreditAgreementMember"/>
  <xs:element name="BallMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_BallMember"/>
  <xs:element name="CommonStockParValuePerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_CommonStockParValuePerShareMember"/>
  <xs:element name="CorporatesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_CorporatesMember"/>
  <xs:element name="CustomerRelationshipsAndListsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_CustomerRelationshipsAndListsMember"/>
  <xs:element name="DistributorAgreementsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DistributorAgreementsMember"/>
  <xs:element name="DomainNamesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DomainNamesMember"/>
  <xs:element name="DomesticCreditFacilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DomesticCreditFacilityMember"/>
  <xs:element name="DomesticMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DomesticMember"/>
  <xs:element name="EngineeredProductsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_EngineeredProductsMember"/>
  <xs:element name="ForeignCreditAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ForeignCreditAgreementMember"/>
  <xs:element name="ForeignMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ForeignMember"/>
  <xs:element name="ForeignRevolverMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ForeignRevolverMember"/>
  <xs:element name="ForeignTermLoanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ForeignTermLoanMember"/>
  <xs:element name="IndustrialMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_IndustrialMember"/>
  <xs:element name="InternationalMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_InternationalMember"/>
  <xs:element name="IntrinsicValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_IntrinsicValueMember"/>
  <xs:element name="NumberOfCommonStockOptionsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_NumberOfCommonStockOptionsMember"/>
  <xs:element name="NumberOfRestrictedStockSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_NumberOfRestrictedStockSharesMember"/>
  <xs:element name="OptionAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OptionAwardsMember"/>
  <xs:element name="OtherMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_OtherMember"/>
  <xs:element name="PatentsAndTrademarksMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PatentsAndTrademarksMember"/>
  <xs:element name="PlainMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PlainMember"/>
  <xs:element name="PostRetirementMedicalAndLifeInsuranceBenefitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_PostRetirementMedicalAndLifeInsuranceBenefitsMember"/>
  <xs:element name="ProductApprovalsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_ProductApprovalsMember"/>
  <xs:element name="RestrictedStockAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_RestrictedStockAwardsMember"/>
  <xs:element name="RevolverMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_RevolverMember"/>
  <xs:element name="RollerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_RollerMember"/>
  <xs:element name="SchaublinAndSwissToolSponsorPensionPlansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SchaublinAndSwissToolSponsorPensionPlansMember"/>
  <xs:element name="SchaublinMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SchaublinMember"/>
  <xs:element name="SchaublinPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SchaublinPlanMember"/>
  <xs:element name="SeriesAMandatoryConvertiblePreferredStockParValue001PerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SeriesAMandatoryConvertiblePreferredStockParValue001PerShareMember"/>
  <xs:element name="SoftwareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SoftwareMember"/>
  <xs:element name="SupplementalExecutiveRetirementPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SupplementalExecutiveRetirementPlanMember"/>
  <xs:element name="SwissToolPlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_SwissToolPlanMember"/>
  <xs:element name="TermLoanFacilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TermLoanFacilityMember"/>
  <xs:element name="TotalAwardsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TotalAwardsMember"/>
  <xs:element name="TwoThousandAndThirteenLongTermIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TwoThousandAndThirteenLongTermIncentivePlanMember"/>
  <xs:element name="TwoThousandSeventeenLongTermIncentivePlanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TwoThousandSeventeenLongTermIncentivePlanMember"/>
  <xs:element name="TwoZeroOneFiveCreditAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_TwoZeroOneFiveCreditAgreementMember"/>
  <xs:element name="WeightedAverageContractualLifeYearsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_WeightedAverageContractualLifeYearsMember"/>
  <xs:element name="WeightedAverageExercisePriceMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_WeightedAverageExercisePriceMember"/>
  <xs:element name="WeightedAverageGrantDateFairValueMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_WeightedAverageGrantDateFairValueMember"/>
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="roll_DocumentAndEntityInformationAbstract"/>
</xs:schema>
