Needle roller bearing is excellent quality and reasonable price,and the bearing is high-speed revolve. ISO/TS16949-2009 1.FeatureNeedle roller bearings have ... assemblies(k, k...zw, knl, kzk, kbk) Entity bushed needle roller bearing(RNA, NK, NA, NKI, NKS, NKIS, NA...RS, NA... ... NAV, NAO, RNAO,BR,BRI,MR-,NCS). Thrust needle roller bearings and Needle Roller Bearings thrust washers (AXK AXW NTB TC AX AS ...