Agricultural Disc Bearing, Bore Shape Round, Bore Size 1.78 in, Ball Material Steel, Flange Type Non-Flanged, Housing Material Alloy Steel, Outside Diameter 4.438 in, Overall Width 2.125 in, System of Measurement Inch, Closure Double Sealed, ABEC Rating 1, Application Severe Tillage, Bearing Industry Number CDS211TTR23, Bore Size Tolerance +/-0.005 in, Cage Material Nylon, Dynamic Radial Load Capacity 9,750 lbf, Flange Size Not Applicable, Lubricant Material Alvania #3, Maximum Speed 450 RPM