4-Bolt Flange Bearing, Ball Bearing Insert Type, 1 7/16 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 6, 400 lb, Static Load Capacity 3, 400 lb, Temp. Range -65 Degrees to 200 Degrees F