4-Bolt Flange Bearing, Ball Bearing Insert Type, 1-1/4 In. Bore Dia., Bolt Hole Center-to-Center 3-5/8 In., Cast Iron Bearing Housing Material Type, Set Screw Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, SCJ Series, Bolt Size 1/2 In., Overall Height 1-1/2 In., Overall Width 4-5/8 In., Overall Length 4-5/8 In., Bearing Lubrication Mobil Polyrex EM or NLGI #2 Equivalent, Dynamic Load Capacity 6400 lb., Static Load Capacity 3400 lb., Temp. Range -65 Degrees to 200 Degrees F