Radial Ball Bearing Bearing Industry Number 6001 Bore Diameter 12 mm Closure Double Sealed Outer Ring Width 8 mm Outside Diameter 28 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/-0.008 mm Dynamic Radial Load Capacity 1 150 lbf Includes Retaining Ring No Lubricant Material Polyrex EM