... internal clearance(C2-C4) and retainer options. Needle Roller Bearings - Detailed Product Description Drawn cup needle roller bearings(HK, BK, SCE, F. FH, MF ... NAV, NAO, RNAO,BR,BRI,MR-,NCS). Thrust needle roller bearings and Needle Roller Bearings thrust washers (AXK AXW NTB TC AX AS LS ... IR LR LRT LRB)Yoke Type Cam followers roller and curve Needle Roller Bearings (RSTO STO NA22.2rs RNA22.2rs NATR ...