Radial Ball Bearing Bearing Industry Number R18 Bore Diameter 1 1/8 in Closure Double Sealed For Environment Caustic Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 0.5 in Outside Diameter 2 1/8 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 1 942 lbf