Radial Ball Bearing, Bearing Industry Number 6011, Bore Diameter 55 mm, Closure Double Sealed, Outer Ring Width 18 mm, Outside Diameter 90 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/-0.015 mm, Cage Type Pressed, Dynamic Radial Load Capacity 31,500 N, Fillet Radius 1.1 mm, Finish Chrome Plated, Includes Retaining Ring No, ISO Rating Class 0, Lubricant Material Polyrex EM