Dodge Pillow Block Roller Bearing Unit, Type S-2000, 1-15/16 in Bore Dia, 6.06 to 6.44 in Bolt Center-to-Center Length, 2-1/4 in Base to Bore Centerline, 8.38 in Overall Length, 2.84 in Overall Width, 4.56 in Overall Height, Two Bolt Base Mount, Round Bore, 2-1/2 in Base Width, Springlok Concentric Collar Locking Device, Trident Triple Lip Seal, Expansion Type: Non-Expansion Bearing (Fixed), 22000 lb Dynamic/24000 lb Static, -100 to 200 deg F, 2200 rpm Maximum, Cast Iron, Black Oxide