Miniature Ball Bearing Bearing Industry Number R6 Bore Diameter 3/8 in Closure Double Shielded For Environment Oily/Greasy Outer Ring Width 0.281 in Outside Diameter 7/8 in Ring Material Alloy Steel System of Measurement Inch ABEC Rating 1 Ball Material Alloy Steel Ball Material Grade AISI 52100 Bore Diameter Tolerance +0/-0.0003 in Cage Type Sealed Dynamic Radial Load Capacity 11 900 lbf Flange Diameter 0.969 in Flange Thickness 0.062 in Flange Type Flanged