Dodge Ball Bearing Unit, Normal Duty Non-Expansion, Series: 209 Series, 1-3/4 in Bore Dia, 4.13 in Bolt Center-to-Center Length, Four-Bolt Base Flange Mounting Type, 5.38 in Overall Length/Diameter, 2.18 in Overall Depth, 5.38 in Overall Height, Eccentric Collar Locking Device, Steel Bearing, Nitrile Rubber Seal, 7891 lb Dynamic/4906 lb Static, 5000 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