... and frictio 4.OEM Catalog index: Characteristic of China needle roller bearings HK, BK, HK 2RS, BK RS TA, TLA ... assemblies, K, K...ZW Needle roller and cage assemblies, rod use KZK, KBK Needle roller bearings without inner ring, NK, ... Please check the table for bearing detail dimensions. HK, BK, HK… RS, SCE, TA series Drawn Cup Needle Roller BearingsShaftDiameterBearing DesignationMassApproxBoundary ...