... .Drawn Cup One Way Clutch / Needle Roller Bearings .Plastic Springs, Partially Knurled Outer Ring .Metric, HF-KFR Series Drawn Cup One Way Clutch / Needle Roller BearingsPlastic ... Type One Way Clutches: BB, TSS, TFS, B SeriesDrawn Cup Needle Roller Bearings:HK, BK, HK-RS, HK-2RS, BK-RS, FFH ... : K, K-ZW, K-D, K-ZWD SeriesHeavy Duty Needle Roller Bearings: NK, NKS, RNA 49, RNA 69, RNA 48, NKI ...