4-Bolt Flange Bearing, Ball Bearing Insert Type, 1 3/16 in Bore Dia., Bolt Hole Center-to-Center 3 1/4 in, Cast Iron Bearing Housing Material Type, Set Screw Shaft Locking Type, 52100 Chrome Steel Bearing Insert Material, Standard Duty Series, Bolt Size 3/8 in, Overall Height 1 37/64 in, Overall Width 4 1/4 in, Overall Length 4 1/4 in, Bearing Lubrication Chevron SRI-2 or NLGI #2 Equivalent, Dynamic Load Capacity 4,382 lb, Static Load Capacity 2,517 lb, Temp. Range -20 Degrees to 200 Degrees F