Radial Ball Bearing Bearing Industry Number 6203 Bore Diameter 17 mm Closure Double Shielded For Environment Caustic Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 12 mm Outside Diameter 40 mm Ring Material Stainless Steel System of Measurement Metric Cage Material Stainless Steel ABEC Rating 1 Ball Material Stainless Steel Bore Diameter Tolerance +0/-0.008 mm Cage Material Grade 304 Dynamic Radial Load Capacity 1 720 lbf Flange Diameter Not Applicable