Chinese brand,chrome steel GCr15 material,good quality,lower prices,ISO9001,in time delivery Bearing No.Boundary dimensionsMassmmkgdDB≈5200103014.30.0495201123215.90.0575202153515.90.0645203174017.50.0965204204720.60.1535205255220.60.1755206306223.80.28652073572270.4365208408030.20.595209458530.20.645210509030.20.68952115510033.30.98652126011036.51.2752136512038.11.5752147012539.71.852157513041. ...