shell type needle roller bearings:1,ABEC-3,5;Z2V2,Z3V3 ... level:Z1,Z2 5,C2,C0,C3... shell type needle roller bearings,Lily bearing is a specialized manufacturer of ... NKI, NAV, NAOV, RNA series and other series needle roller bearing. And wo also professionally supply all kinds of ... near future. Catalog index: Characteristic of China needle roller bearings Drawn cup needle roller bearings, HK, BK, HK 2RS, ...