Radial Ball Bearing Bearing Industry Number 61902 Bore Diameter 15 mm Closure Double Shielded For Environment Caustic Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 7 mm Outside Diameter 28 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 922 lbf Flange Diameter Not Applicable