Radial Ball Bearing Bearing Industry Number 61806 Bore Diameter 30 mm Closure Double Shielded For Environment Caustic Chemical Food and Beverage Pharmaceutical Poultry Outer Ring Width 7 mm Outside Diameter 42 mm Ring Material Stainless Steel System of Measurement Metric Cage Material Stainless Steel ABEC Rating 1 Ball Material Stainless Steel Bore Diameter Tolerance +0/-0.01 mm Cage Material Grade 304 Dynamic Radial Load Capacity 1 057 lbf Flange Diameter Not Applicable