80B59 Sprocket | 80B59 Sprocket - Stock Bore Sprocket 3030 Taper Lock Bushings This 3B54SD sheave features three

This 3B54SD sheave features three grooves

This 3B42SH sheave features three grooves

120C40 sprockets with a stock bore come with the standard 1-1/2" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

This 25V1500SF Sheave uses an SF bushing

Part #: HCFS 207

80B59 Sprocket | 80B59 Sprocket - Stock Bore Sprocket 3030 Taper Lock Bushings This 3B54SD sheave features threeOur 80B59 sprocket is a high quality precision industrial power transmission component made from premium C1045 steel and a black oxide coating. The 59 precision machined teeth on this 80B59 sprocket are designed to mate perfectly with ANSI 80 roller chains while improving overall performance and wear life. At the same time, the base material of our 80B59 sprocket is 1045 carbon steel, which provides higher tensile strength, Brinell hardness, and yield