... bearing:1,ABEC-3,5;Z2V2,Z3V3 2,High speed 3,End cover:ZZ,RS 4,Noise ... Catalog index: Characteristic of China needle roller bearings Drawn cup needle roller bearings, HK, BK, HK 2RS, BK ... RS Drawn cup needle roller bearings, TA, TLA Drawn cup needle roller bearings, Inch size SCE ... , BCE... Drawn cup needle roller bearings full complement, F, MF Drawn cup needle roller clutch, HF, ...