Self-Aligning Ball Bearing, Bearing Industry Number 2210, Bore Diameter 50 mm, Outside Diameter 90 mm, Outer Ring Width 23 mm, Ring Material Alloy Steel, Bore Type Cylindrical, Closure Open, Cage Material , System of Measurement Metric, ABEC Rating 1, Ball Material Alloy Steel, Ball Material Grade 100Cr6, Bore Diameter Tolerance +0/-0.012 mm, Dynamic Radial Load Capacity 33.8 kN, Fillet Radius 1 mm, Lubricant Material Alvania Grease, Maximum Axial Load 775 lbf