Dodge Flange Mount Roller Bearing Unit, Non-Expansion Special Duty Type C, Series: 111, 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, 4.88 in Overall Depth, 9 in Overall Height, Concentric Collar Locking Device, Cast Iron Bearing, Uncoated Positive concentric clamp sleeve mountingSteel multiple labyrinth sealsTapered roller assembliesRugged two-piece housingElongated bolt holes