40 Chain Sprocket With 39 Teeth And One And One Eighth Inch Finished Bore With Keyway And Two Set Screws For Secure Mounting Precision Machined Power Transmission Sprocket Model 40BS39

Premium #40 Chain Sprocket, 39 Teeth, 1 1/8 Bore
✔️ 39-tooth, 1 1/8 finished bore, keyway & set screws

This #40 chain sprocket is built for dependable power transmission in conveyors, industrial equipment, and agricultural machinery. It arrives ready to install with a precision keyway and mounting hardware for quick, secure setup.

✅ Bore Size: 1 1/8 in (28.6 mm)
✅ Chain Size: #40 roller chain
✅ Teeth: 39
✅ Bore Style: BS
✅ Keyway: 1/4 x 1/8
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for and how do I choose the right one?

This handy drive component helps transfer torque and motion between shafts in conveyors, farm equipment, and general power-transmission setups. - fits standard #40 roller chain and matches a 1 1/8 in bore - includes a precision keyway and set screws for secure mounting - BS bore style designed for quick alignment on the shaft - ideal for medium-load drives and simple, reliable belt-and-chain systems