Radial Ball Bearing, Bearing Industry Number 6004, Bore Diameter 20 mm, Closure Double Shielded, Outer Ring Width 12 mm, Outside Diameter 42 mm, Ring Material Alloy Steel, System of Measurement Metric, Cage Material Steel, Ball Material Alloy Steel, Cage Type Pressed, Dynamic Radial Load Capacity 10,400 N, Fillet Radius 0.6 mm, Finish Chrome Plated, Includes Retaining Ring No, ISO Rating Class 0, Lubricant Material SRI 2