Radial Ball Bearing, Bearing Industry Number 6204, Bore Diameter 20 mm, Closure Open, Outer Ring Width 14 mm, Outside Diameter 47 mm, Ring Material Alloy Steel, System of Measurement Metric, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Bore Diameter Tolerance +0/-0.008 mm, Dynamic Radial Load Capacity 13.5 kN, Fillet Radius 1 mm, Includes Retaining Ring No, Lubricant Material MT47 Grease