Profile: D & L Chain, Inc. specializes in providing chains, bearings, sprockets, pulleys, cables, flame cut sprockets and power tooth™ sprocket. The power tooth™ sprocket is designed to use more teeth pulling on the chain producing an easier unload and smoother ride. It increases the life of the chain by decreasing the stress put on the chain. This allows the chain to fit into the sprockets pitch better and thus reducing the movement & jumping of the chain that causes the chain to stretch & the pins to break. This will make the chain wear longer. Self-aligning ball bearings units designed for general machinery applications. Its pressed steel housings suitable for light duty. Cast iron units designed for moderate to heavy loads. Its sizes range form 1/2 to 4 inchs shaft diameters.