Radial Ball Bearing, Bearing Industry Number 6010, Bore Diameter 50 mm, Closure Double Shielded, For Environment Oily/Greasy, Outer Ring Width 16 mm, Outside Diameter 80 mm, Ring Material Alloy Steel, System of Measurement Metric, Cage Material Steel, ABEC Rating 1, Ball Material Alloy Steel, Ball Material Grade AISI 52100, Bore Diameter Tolerance +0/- 0.012 mm, Dynamic Radial Load Capacity 4, 900 lbf, Includes Retaining Ring No, Lubricant Material Polyrex EM