Radial Ball Bearing Bearing Industry Number 6304 Bore Diameter 20 mm Closure Double Sealed Outer Ring Width 15 mm Outside Diameter 52 mm Ring Material Alloy Steel Seal Type Non-Contact System of Measurement Metric Cage Material Steel Ball Material Alloy Steel Cage Type Pressed Dynamic Radial Load Capacity 23 500 N Fillet Radius 1.1 mm Finish Chrome Plated Includes Retaining Ring No ISO Rating Class 0 Lubricant Material SRI 2