Radial Ball Bearing, Bearing Industry Number 6210, Bore Diameter 50 mm, Closure Double Shielded, Outer Ring Width 20 mm, Outside Diameter 90 mm, Ring Material Alloy Steel, 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 37.1 kN, Fillet Radius 1 mm, Includes Retaining Ring No, Lubricant Material MT47 Grease