... goods with competitive price, fast shipment and considerate service.Bearings overview:Deep groove ball bearings consist of an inner ring and an outer ring ... designs that permit relatively high speed operation. 60series:606,607,608,,6000,6001,6002,6003,6004,6005,6006,6007,6008,6009 ... contact us.Sincerely yours,Ruiboshi Bearing Co., Ltd.Photos: deep groove ball bearings nsk