Agricultural Disc Bearing Bore Shape Round Bore Size 1.78 in Ball Material Steel Flange Type Non-Flanged Housing Material Alloy Steel Outside Diameter 3.98 in Overall Width 2.125 in System of Measurement Inch Closure Double Sealed ABEC Rating 1 Application Severe Tillage Bearing Industry Number DS211TTR23 Bore Size Tolerance +/-0.0006 in Cage Material Steel Cage Type Pressed Dynamic Radial Load Capacity 9 757 lbf Flange Size Not Applicable For Shaft Size 1 49/64 in