Radial Ball Bearing Bearing Industry Number R12 Bore Diameter 3/4 in Closure Double Sealed For Environment Oily/Greasy Outer Ring Width 0.437 in Outside Diameter 1 5/8 in Ring Material Alloy Steel Seal Type Contact 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 1 770 lbf Flange Diameter Not Applicable Flange Thickness Not Applicable