Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 333-129826) pertaining to the RBC Bearings Incorporated 2005 Long-Term Equity Incentive Plan, the RBC Bearings Incorporated Amended and Restated 2001 Stock Option Plan, the RBC Bearings Incorporated 1998 Stock Option Plan, and the June 23, 1997 RBC Bearings Incorporated Warrant Agreements of our reports dated May 22, 2008 with respect to the consolidated financial statements of RBC Bearings Incorporated and the effectiveness of internal control over financial reporting of RBC Bearings Incorporated, included in this Annual Report (Form 10-K) for the year ended March 29, 2008.

/s/ Ernst & Young LLP

Hartford, Connecticut

May 22, 2008