Radial Ball Bearing, Bearing Industry Number 6301, Bore Diameter 12 mm, Closure Open, Outer Ring Width 12 mm, Outside Diameter 37 mm, Ring Material Alloy Steel, System of Measurement Metric, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Bore Diameter Tolerance +0/-0.007 mm, Dynamic Radial Load Capacity 10.1 kN, Fillet Radius 1 mm, Includes Retaining Ring No, Lubricant Material MT47 Grease