Radial Ball Bearing Bearing Industry Number 1638 Bore Diameter 3/4 in Closure Double Sealed For Environment Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 0.562 in Outside Diameter 2 in Ring Material Stainless Steel Seal Type Contact System of Measurement Inch Cage Material Stainless Steel ABEC Rating 1 Ball Material Stainless Steel Bore Diameter Tolerance +0/-0.0004 in Cage Material Grade 304 Dynamic Radial Load Capacity 2 400 lbf