Miniature Ball Bearing Bearing Industry Number 1603 Bore Diameter 5/16 in Closure Double Sealed For Environment Caustic Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 0.281 in Outside Diameter 7/8 in Ring Material Stainless Steel Seal Type Contact System of Measurement Inch Cage Material Stainless Steel ABEC Rating 1 Cage Material Grade 304 Cage Type Sealed Dynamic Radial Load Capacity 120 lbf Flange Diameter 0.969 in Flange Thickness 0.062 in