Radial Ball Bearing, Bearing Industry Number 6004, Bore Diameter 20 mm, Closure Double Sealed, For Environment Oily/Greasy, Outer Ring Width 12 mm, Outside Diameter 42 mm, Ring Material Stainless Steel, Seal Type Contact, System of Measurement Metric, Cage Material Stainless Steel, ABEC Rating 1, Ball Material Alloy Steel, Ball Material Grade AISI 52100, Bore Diameter Tolerance +0/- 0.1 mm, Cage Material Grade 304, Dynamic Radial Load Capacity 420 lbf, Flange Diameter Not Applicable. This item has been restricted from sale in the following state (s): []