Dodge Flange Mount Roller Bearing Unit, Double-Interlock Non-Expansion, Series: 207 Series, 2-1/2 in Bore Dia, 6 in Bolt Center-to-Center Length, 8-1/2 in Bolt Circle, Four-Bolt Base Flange Mounting Type, 8.56 in Overall Length/Diameter, 4 in Overall Depth, 7.63 in Overall Height, 65 deg Setscrew Locking Device, Steel Bearing, Rubber Seal, 10600 lb Dynamic/54000 lb Static, 2420 rpm Maximum, -100 to 200 deg F, Uncoated Factory assembled, adjusted and pre-lubricatedCase hardened rollers and racesEasy installation and maintenance65 deg setscrew angle Springlok collar/ flingers - more holding power than 90 to 120 degXTS triple lip seal standardOffers tapered roller bearing durability in a variety of mounting stylesSelf-aligning