Pillow Block Bearing, Ball Bearing Insert Type, 1-15/16 In. Bore Dia., Bolt Hole Center-to-Center 6-1/4 In., Mounting Surface to Shaft Center 2-1/4 In., Cast Iron Bearing Housing Material Type, Set Screw Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, Standard Duty Series, Number of Bolts 2, Bolt Size 5/8 In., Overall Height 4-1/2 In., Overall Width 2-3/8 In., Overall Length 8-1/8 In., Bearing Lubrication Shell Alvania #3 or NLGI #3 Equivalent, Dynamic Load Capacity 7900 lb.