... ,IKO,NACHI6.main product:shperical roller bearing,cylindrical roller bearing, taper roller bearing,needle bearing,angular contact ball bearing,thrust ball bearing,thrust roller bearing.7.material: stainless steel,bearing steel, carbon steel,high chrome8 ... ,cement and so on.13.package:carton, box or imported with original packaging14.the process of our own products: 1)assembly ...