Dodge Tapered Roller Insert Bearing, Double-Interlock, Series: 407 Series, 4-7/16 in Bore Dia, 8-3/4 in Outside Dia, 6-3/4 in Width, 30000 lb Dynamic/188400 lb Static, Rubber Seal, Cast Iron Cage, 1530 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 sealsSelf-aligning