3.Cylindrical roller bearing They are suitable for middle-sized and large-sized motors,electricity generators,interal combustio Thrust ball bearingThey are mainly used in lathe centers,automobile clutches,reducers and so on.1)Material: Gcr15, Gcr15Simn,G20Cr2Ni4A,Gr18Mo2)Cage:zcuzn40p62, Cast iron .milling.3)Grade:P0..P64)Size:100mm~1500mm Full Complement Tapered Roller Thrust Bearings