Radial Ball Bearing, Bearing Industry Number 6210, Bore Diameter 50 mm, Closure Double Sealed, Outer Ring Width 20 mm, Outside Diameter 90 mm, Ring Material Alloy Steel, Seal Type Contact, System of Measurement Metric, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Bore Diameter Tolerance +0/-0.01 mm, Dynamic Radial Load Capacity 8,300 lbf, Includes Retaining Ring No, Lubricant Material MT47 Grease