This Tsubaki 1134 sprocket is engineered for reliable power transmission with #35 roller chains. Featuring 38 precision-machined teeth and a durable steel construction, it ensures smooth operation and extended service life. The sprocket has a 1/2 inch (12.7 mm) bore diameter, a 1/8 inch (3.175 mm) keyway, and a 3/8 inch (9.525 mm) set screw for secure mounting. With an outside diameter of 123.44 mm (4.86 inches) and a hub diameter of 79.25 mm (3.12 inches), it is designed for robust industrial applications.