Radial Ball Bearing Bearing Industry Number R2 Bore Diameter 1/8 in Closure Double Shielded For Environment Oily/Greasy Outer Ring Width 0.156 in Outside Diameter 3/8 in Ring Material Alloy Steel System of Measurement Inch Cage Material Steel ABEC Rating 1 Ball Material Alloy Steel Ball Material Grade AISI 52100 Bore Diameter Tolerance +0/-0.0003 in Dynamic Radial Load Capacity 144 lbf Flange Diameter Not Applicable Flange Thickness Not Applicable Flange Type Non-Flanged