1.Different kinds of needle roller bearing 2.High quality/rich stock 3.Low nose and frictio 4.OEM Catalog index: Characteristic of China needle roller bearings HK, BK, HK 2RS, BK RS TA, TLA Inch size SCE, BCE...Full complement, F, MF Clutch, HF, HFL Needle roller and cage assemblies, K, K...ZW Needle roller and cage assemblies, rod use KZK, KBK Needle roller bearings without inner ring, NK, RNA, ...