Deep groove ball bearing This type dearing is High Hardness,High Abrasiveness,High Contact fatigue strength,Certain impact toughness and Fracture toughness,Good Dimensional stability,Good rust protection. bearing nobore(d)mmouter diameter(D)mmwidth(B)mm16001122871600215328160031735816004204281600525478160063055916007356291600840681016009457510160105080111601155901116012609511160136510011160147011013160157511513160168012514160178513014