Pillow Block Bearing, Ball Bearing Insert Type, 5/8 in Bore Dia., Bolt Hole Center-to-Center 3 5/8 in, Mounting Surface to Shaft Center 1 1/16 in, Cast Iron Bearing Housing Material Type, Set Screw Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, SAK Series, Number of Bolts 2, Bolt Size 3/8 in, Overall Height 2 3/32 in, Overall Width 1 3/16 in, Overall Length 4 7/8 in, Bearing Lubrication Mobil Polyrex EM or NLGI #2 Equivalent, Dynamic Load Capacity 2,360 lb