... /roller bearing, 4.Spherical roller bearing,5.Cylinderical roller bearing. 6.Tapered roller bearing,7.Angular contact ball bearing, 8.Needle roller ... bearing, 11.Special bearing,12.Rod end andspherical plain bearing.MATERIAL: GCr15SiMn, GCr15, G20Cr2Ni4APRECISION TYPE: P0, P2, P4, P5, P6,SEAL ...