Agricultural Disc Bearing Bore Shape Square Bore Size 2.312 in Ball Material Steel Flange Type Non-Flanged Housing Material Alloy Steel Outside Diameter 5.511 in Overall Width 2.5 in System of Measurement Inch Closure Double Sealed ABEC Rating 1 Application Disc Harrows Disc Tillers Trenching Machinery Bearing Industry Number DC216TTR2 Bore Size Tolerance +/-0.007 in Cage Material Steel Cage Type Pressed Dynamic Radial Load Capacity 16 299 lbf Flange Size Not Applicable