1.roller bearing 2.Short delivery time 3.Manufacturer price 4.High ... pump bearings: WB and WR series 2. Drawn cup needle roller bearings: HK, BK, HF, HFL, HK, RS, HK, 2RS ... , KD, ZWD, KZK, KBK and KNL series 4. Heavy duty roller bearings: NK, NKS, RNA49, RNA69, NKI, NKIS, NA48, NA69 ... 5. Inner rings: IR and LR series 6. Thrust needle roller cylindrical rollers and cage assemblies: AXK, AXW, K811, K812, ...