40 Chain Sprocket With 21 Teeth And One And Three Sixteenths Inch Finished Bore Featuring Keyway And Set Screws For Secure Mounting And Reliable Power Transmission Ready For Quick Installation In Durable Drive Systems Or Industrial Machinery
✔️ 21 teeth, 1 3/16 bore, single unit, keyway & set screws
The 40-tooth chain sprocket is a durable power-transmission part designed to drive #40 roller chain in conveyors, agricultural gear, and industrial equipment. With a 1 3/16 finished bore and a precision keyway, it delivers reliable torque transfer and secure mounting. The two set screws ensure a firm grip on the shaft, making it ideal for demanding setups that require consistent performance.
✅ Chain size: #40 roller chain✅ Teeth: 21
✅ Bore: 1 3/16 in (30.16 mm) finished bore, BS style
✅ Keyway: 1/4 x 1/8 in (6.35 x 3.175 mm)
✅ Mounting: Includes 2 set screws for secure mounting
💡 What is a chain sprocket used for in power transmission? A handy component that transfers rotation from a drive chain to a driven system, keeping drive trains aligned and efficient.
- handy for transferring torque in conveyors and machines using #40 chain
- matches bore and keyway sizes (1 3/16 in, 1/4 x 1/8 in) for secure fit
- helps maintain chain tension and drive stability in tough environments