1.Material:SS304 SS316 SS420 SS440 2.QC:ISO9001:2008 3.Bearing:Ball bearing , roller bearing 4.Grade:P0 P6 stainless steel bearing 1.good quality,competitive price 2.rich stock,quick delivery 3.ISO9001 approved 4.sample available 1. Abstract:Deep groove ball bearing is available in a variety of sizes, and is the most popular of all rolling bearings. This type of bearing supports radial load and a ...