Exhibit 21

Subsidiaries of the Registrant*

Roller Bearing Company of America, Inc. – Delaware  

RBC Precision Products—Plymouth, Inc. – Delaware

Industrial Tectonics Bearings Corporation – Delaware   

RBC Linear Precision Products, Inc. – Delaware

RBC Precision Products—Bremen, Inc. – Delaware   

RBC Nice Bearings, Inc. – Delaware

RBC Lubron Bearing Systems, Inc. – Delaware   

RBC Oklahoma, Inc. – Delaware

RBC Aircraft Products, Inc. – Delaware  

RBC Southwest Products, Inc. – Delaware

All Power Manufacturing Co. – California   

RBC de Mexico S DE RL DE CV – Mexico

Schaublin Holdings SA – Switzerland  

Schaublin SA – Switzerland

RBC France SAS – France

Shanghai Representative Office of Roller Bearing Company of America, Inc. – People’s Republic of China  

RBC Bearings U.K. Limited – U.K.

Phoenix Bearings, Ltd. – U.K.

RBC Aerostructures LLC – South Carolina

Western Precision Aero LLC – California

RBC Bearings Polska sp. z o.o. – Poland

All Power de Mexico, S DE RL DE CV - Mexico

Climax Metal Products Company – Ohio

RBC Turbine Components LLC – Delaware

All of which are, directly or indirectly, wholly-owned by the registrant.