SAFS steel housing attributes include solid cast feet to increase strength, large capacity oil sump with two oversized drain holes adaptable to circulating oil systems, cast in oil return slots to keep lubricants in, oil-equalization passage allowing pillow block to be drained completely from either side, offset dowels with matched numbers on cape and base to simplify correct assembly, cast-in dimples to locate drill holes for lube fittings, vents, sensors and mounting modifications, housing base threaded to accept grade 5 cap bolts for added strength and pry slots between the cap and base to allow easy separation. Utilizes E design spherical roller bearing insert for higher load carrying capacity. Matches industry standard SAF mounting dimensions. Dodge Pillow Block Roller Bearing Unit, Type SAFS, 3-1/2 in Bore Dia, 11-7/8 to 12-5/8 in Bolt Center-to-Center Length, 4-15/16 in Base to Bore Centerline, 15-1/4 in Overall Length, 6.41 in Overall Width, 9-5/8 in Overall Height, 2-Bolt Base Mount, Tapered Bore, 4-3/8 in Base Width, Adapter Mount Locking Device, Triple-Tect Seal, Expansion Type: Non-Expansion, 96500 lb Dynamic/106000 lb Static, 2200 rpm Grease/3000 rpm Oil Maximum, Cast Steel Adapter mount 22200K spherical bearingGrease or oil lubeD-mount adapters for easy removalSAFS steel housed split cap spherical bearing using 22200 spherical bearing insert