Agricultural Disc Bearing Bore Shape Square Bore Size 1.531 in Ball Material Steel Flange Type Non-Flanged Housing Material Alloy Steel Outside Diameter 4 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 DC211TT5 Bore Size Tolerance +/-0.0006 in Cage Material Steel Cage Type Pressed Dynamic Radial Load Capacity 9 780 lbf Flange Size Not Applicable