U&J bearing is a specialized manufacturer of various needle roller bearing. needle roller bearing features: 1) Drawn cup needle roller bearing: HK, BK, HK RS, HK 2RS, BK RS, F, FH, MF, MFH, FY, MFY, HF, HFL 2) Radial needle roller and cage assembly: K, K ZW, K D, K ZWD, KNL 3) Radial needle roller and cage assembly for connecting rod: KZK, KBK 4) Heavy duty needle roller bearing: NK, NKS, RNA49, RNA69, NKI, NKIS, NA49, NA48, NA69, RNA49 RS, RNA49 2RS, NA49 2RS, NA49 RS, RNAO, NAO, RPNA, PNA, RNAV, NAV 5) Cam follower and track roller bearing 6) Inner ring: IR, LR 7) Thrust needle roller or cylindrical roller & cage assembly: AXK, AXW, K811, K812, K874, K893, K894, AS, LS, GS811, WS811, ZS