... roller bearing .The quality of our product is good!If you have any anyother requirement,always we can meet you!Series ... :Drawn cup needle roller bearings (HK, BK, HK…RS, HK… ... 2RS, BK…RS etc)Drawn cup roller clutch (HF, HFZ, HFL, HFLZ etc)ENTITY Bushed ... Needle Roller Bearings (NK, NKI, RNA NA, BR, BRI ...