SKF Cylindrical roller bearing 1.German:FAG,INA. 2.Sweden:SKF. 3.American:TIMKEN 4.Japan:NSK,KOYO,NTN,THK,IKO,NACHI SKF Cylindrical roller bearing1.Main ... brand:FAG,INA. SKF. TIMKEN NSK,KOYO,NTN,THK,IKO,NACHI2 ... ; GCr15 and GCr15SiMn6.Material of cages: brass, steel and nylon7.Precision: P0, P6 SKF Cylindrical roller bearing