40 Chain Sprocket, 56 Tooth, 1 1/8 Finished Bore With Keyway And Set Screws, Precision Machined For Reliable Power Transmission, Ready To Install, Model 40BS56-1 1/8, Includes Precision Keyway And Two Set Screws For Secure Mounting

40-Teeth Chain Sprocket, 1 1/8 Bore, 56T, Single Sprocket
✔️ 56 teeth, 1-1/8 in finished bore; 1/4 x 1/8 in keyway, 2 set screws

This 56-tooth chain sprocket is designed for #40 roller chain and fits a 1 1/8 inch finished bore with a precise keyway and two set screws for a secure mount. It’s ideal for conveyors, industrial machines, and agricultural equipment where reliable power transfer is essential.

✅ Chain size: #40 roller chain
✅ Teeth: 56 teeth
✅ Bore: 1 1/8 in finished bore
✅ Keyway: 1/4 x 1/8 in
✅ Mounting: includes 2 set screws

💡 What is a typical use for this chain sprocket in industry? Handy for conveyors and general drive systems.
- Drives #40 roller chains in conveyors
- Ideal for 56-tooth gear ratio in compact drives
- Works with 1/4 x 1/8 keyway and two set screws
- Durable for high-load industrial environments