Self-Aligning Ball Bearing, Bearing Industry Number 1204, Bore Diameter 20 mm, Outside Diameter 47 mm, Outer Ring Width 14 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/-0.010 mm, Dynamic Radial Load Capacity 12.7 kN, Fillet Radius 1 mm, Lubricant Material Alvania Grease, Maximum Axial Load 188 lbf