Dodge Pillow Block Roller Bearing Unit, Double-Interlock Type K, Series: 107, 1-7/16 in Bore Dia, 6.25 to 6.63 in Bolt Center-to-Center Length, 2.38 in Base to Bore Centerline, 8 in Overall Length, 2.55 in Overall Width, 5.23 in Overall Height, Two-Bolt Base Mount, Round Bore Type, 2.19 in Base Width, 65 deg Setscrew Locking Device, Trident Triple-Lip Seal, Expansion Expansion Type, 5500 lb Dynamic/26000 lb Static, 3820 rpm Maximum, Cast Iron, Black Oxide Factory assembled, adjusted and prelubricatedCase hardened rollers and racesEasy installation and maintenanceTriple rubber lip contacting seals