Radial Ball Bearing, Bearing Industry Number 6311, Bore Diameter 55 mm, Closure Double Sealed, Outer Ring Width 29 mm, Outside Diameter 120 mm, Ring Material Alloy Steel, Seal Type Non-Contact, System of Measurement Metric, Cage Material Steel, Ball Material Alloy Steel, Cage Type Pressed, Dynamic Radial Load Capacity 90,500 N, Fillet Radius 2 mm, Finish Chrome Plated, Includes Retaining Ring No, ISO Rating Class 0, Lubricant Material SRI 2