Radial Ball Bearing, Bearing Industry Number 6203, Bore Diameter 17 mm, Closure Double Shielded, Outer Ring Width 12 mm, Outside Diameter 40 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 9.95 kN, Fillet Radius 0.6 mm, Includes Retaining Ring No, Lubricant Material MT47 Grease