... -KFR Series The needle clutch and the assembling unit of needle clutch with stamped external ring is made of high quality thin sheet and ... Type One Way Clutches: BB, TSS, TFS, B SeriesDrawn Cup Needle Roller Bearings:HK, BK, HK-RS, HK-2RS, BK-RS, FFH, MFH ... Assemblies: K, K-ZW, K-D, K-ZWD SeriesHeavy Duty Needle Roller Bearings: NK, NKS, RNA 49, RNA 69, RNA 48, NKI, NKIS ...