Pillow Block Bearing, Ball Bearing Insert Type, 1 15/16 in Bore Dia., Bolt Hole Center-to-Center 158 mm, Mounting Surface to Shaft Center 2 3/16 in, Cast Iron Bearing Housing Material Type, Eccentric Locking Collar Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, RAK Series, Number of Bolts 2, Bolt Size 5/8 in, Overall Height 4 7/16 in, Overall Width 2 15/32 in, Overall Length 7 7/8 in, Bearing Lubrication Mobil Polyrex EM or NLGI #2 Equivalent, Dynamic Load Capacity 8, 800 lb