Dodge Ball Bearing Unit, Normal Duty Non-Expansion, Series: 211 Series, 2-3/16 in Bore Dia, 5.13 in Bolt Center-to-Center Length, Four-Bolt Base Flange Mounting Type, 6-1/2 in Overall Length/Diameter, 2.65 in Overall Depth, 6-1/2 in Overall Height, Eccentric Collar Locking Device, Steel Bearing, Nitrile Rubber Seal, 9755 lb Dynamic/6588 lb Static, 4000 rpm Maximum, Powder Coated DualGuard seal with rubberized flinger is standardPrecision hardened and honed-series 200 mounted ball bearings in globally interchangeable, ISO dimensionsWide inner ring designDodge DualGuard land-riding, positive contact sealStronger and flexible ball cageSimplified anti-rotation device