Agricultural Disc Bearing Bore Shape Square Bore Size 1.513 in Ball Material Steel Flange Type Non-Flanged Housing Material Alloy Steel Outside Diameter 3.937 in Overall Width 1.75 in System of Measurement Inch Closure Double Sealed ABEC Rating 1 Application Disc Harrows Disc Tillers Trenching Machinery Bearing Industry Number DC211TTR4 Bore Size Tolerance +/-0.015 in Cage Material Steel Cage Type Pressed Dynamic Radial Load Capacity 9 780 lbf Flange Size Not Applicable