1.High quality,favorable price 2.ABEC-3,5;Z2V2,Z3V3 3.ISO 9001:2000 quality 4.KOYO,SKF,NSK ... 3.material: stainless steel,bearing steel, carbon steel,high chrome4.precision: P0,P2,P4,P5,P65.tolerance ... so on.9.package:carton, box or imported with original packaging10.the process of our own products: ... bearing:3-----160mmSingle row deep groove ball bearig with snap ring and shield:10----70mmThe main type ...