Dodge Flange Mount Roller Bearing Unit, Non-Expansion Special Duty, Series: 111 Series, 1-11/16 in Bore Dia, 5.39 in Bolt Center-to-Center Length, 7.63 in Bolt Circle, Four-Bolt Base Flange Mounting Type, 9 in Overall Length/Diameter, 4.13 in Overall Depth, Adapter Mounted Locking Device, Steel Bearing, 8177 lb Dynamic, 2900 rpm Maximum, -100 to 200 deg F, Uncoated Quality duplex tapered roller bearingTapered adapter sleeve mountingEffective piston ring sealsRugged two-piece housingElongated bolt holes