... 4.OEM Catalog index: Characteristic of China needle roller bearings HK, BK, HK 2RS, BK RS ... HFL Needle roller and cage assemblies, K, K...ZW Needle roller and cage assemblies, rod use KZK, KBK Needle roller bearings without ... BK, HK… RS, SCE, TA series Drawn Cup Needle Roller BearingsShaftDiameterBearing DesignationMassApproxBoundary DimensionsBasic Load RatingLimitingSpeedmmCurrentOriginal CodegFw(mm ...