... ,angular contact ball bearing,thrust ball bearing,thrust roller bearing.3.material: stainless steel,bearing steel, carbon steel,high chrome4. ... precision: P0,P2,P4,P5,P65.tolerance grade:GB/T307.1---2056.greese/oil ... :mining,machinery,milling,cement and so on.9.package:carton, box or imported with original packaging10.the process of our own products ...