Dodge Tapered Roller Bearing, Type K/B-1, 3-1/2 in Bore Dia, 7-1/8 in Outside Dia, 4-1/4 in Width, 17750 lb Dynamic/108600 lb Static, Cast Iron Bearing, 1640 rpm Maximum, Gray Factory assembled, adjusted and pre-lubricatedCase hardened rollers and racesEasy installation and maintenance65 deg setscrew angle Springlok collar and flingers, more holding power than 90 to 120 degOffers tapered roller bearing durability in a variety of mounting stylesSelf aligningReduces length through bore design in a variety of mounting stylesSingle collar design saves space and installation timeAllows bearing to be closer to the load for reduced shaft designInner unit carries sealUp to 5 deg static misalignmentSeal and bearing ride together in inner unitSeals maintain contact on cones even with misalignmentTriple rubber lip contacting seals