Radial Ball Bearing, Bearing Industry Number 6001, Bore Diameter 12 mm, Closure Double Shielded, Outer Ring Width 8 mm, Outside Diameter 28 mm, Ring Material Alloy Steel, System of Measurement Metric, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Bore Diameter Tolerance +0/-8 micron, Dynamic Radial Load Capacity 5.4 kN, Fillet Radius 0.3 mm, Includes Retaining Ring No, Lubricant Material Grease