Radial Ball Bearing Bearing Industry Number R12 Bore Diameter 3/4 in Closure Double Shielded Outer Ring Width 0.437 in Outside Diameter 1 5/8 in Ring Material Alloy Steel System of Measurement Inch Cage Material Steel ABEC Rating 1 Application Radial and Thrust Load Application Ball Material Alloy Steel Bore Diameter Tolerance +0/-10 micron Dynamic Radial Load Capacity 1 628 lbf Includes Retaining Ring No Lubricant Material Grease