Pillow Block Bearing, Ball Bearing Insert Type, 7/8 In. Bore Dia., Bolt Hole Center-to-Center 4-1/8 In., Mounting Surface to Shaft Center 1-5/16 In., Cast Iron Bearing Housing Material Type, Eccentric Locking Collar Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, Standard Duty Series, Number of Bolts 2, Bolt Size 3/8 In., Overall Height 2-11/16 In., Overall Width 1-1/2 In., Overall Length 5-1/2 In., Bearing Lubrication Shell Alvania #3 or NLGI #3 Equivalent