... Partially Knurled Outer Ring .Metric, HF-KFR Series Drawn Cup One Way Clutch / Needle Roller BearingsPlastic Springs, Partially Knurled Outer Ring ... Clutches: HF, FC, RC, HFL, FCB, RCB, DC SeriesSprage Type One Way Clutches: BB, TSS, TFS, B SeriesDrawn Cup Needle Roller ... SCE, BHA, SCH, F SeriesNeedle Roller and Cage Assemblies: K, K-ZW, K-D, K-ZWD SeriesHeavy Duty Needle Roller Bearings: NK, NKS, RNA ...