... 4.Ten years experience Manufactruer of roller bearing from China :1.Tapered roller bearing skf2.Precision: p0,p6,p5,p4,p23 ... guarantee4.Ten years industry experience Specification of taper roller bearing: ItemSpecificationsModelAll 20 seriesMaterialChrome Steel, Carbon Steel, Stainless steelBore ... 59510010700030309J0.96410038.25363021.5146000180000323091.1 Manufactruer of roller bearing from China