Dodge Flange Mount Roller Bearing Unit, Expansion Type K, Series: 103 Series, 1-1/4 in Bore Dia, 4 in Bolt Center-to-Center Length, 5.66 in Bolt Circle, Four-Bolt Base Flange Mounting Type, 5.19 in Overall Length/Diameter, 2.56 in Overall Depth, 5.19 in Overall Height, 65 deg Setscrew Locking Device, Steel Bearing, Rubber Seal, 3450 lb Dynamic/15760 lb Static, 4490 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 degTriple rubber lip contacting sealsAllows bearing to be closer to the load for reduced shaft designSelf-aligning