Pillow Block Bearing, Ball Bearing Insert Type, 1 11/16 in Bore Dia., Bolt Hole Center-to-Center 5 7/8 in, Mounting Surface to Shaft Center 2 1/8 in, Cast Iron Bearing Housing Material Type, Set Screw Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, SAS Series, Number of Bolts 2, Bolt Size 1/2 in, Overall Height 4 3/16 in, Overall Width 2 in, Overall Length 7 17/32 in, Bearing Lubrication Mobil Polyrex EM or NLGI #2 Equivalent, Dynamic Load Capacity 8, 150 lb