Radial Ball Bearing, Bearing Industry Number 6004, Bore Diameter 20 mm, Closure Double Sealed, Outer Ring Width 12 mm, Outside Diameter 42 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, 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