40 Chain Sprocket, 43 Tooth, One And One Eighth Inch Finished Bore, With Keyway And Two Set Screws For Secure Mounting, Ready To Install For Reliable Power Transmission In 40 Chain Drive Systems

Regular price $189.00 Sale price$255.15you save $66.15
SKU: 40BS43-1 1/8
Product ID: 1121-3962
UPC: 00193019384350





Premium #40 Chain Sprocket with 43 Teeth and 1-1/8 Bore
✔️ 43-tooth sprocket for #40 chain, 1-1/8 finished bore with keyway

This #40 chain sprocket provides a reliable link in power transmission systems. It features a 1-1/8 inch finished bore (28.6 mm), a 1/4 x 1/8 inch keyway, and two set screws for a secure mount. Ideal for conveyors, industrial machinery, and agricultural equipment where consistent torque transfer is needed.

✅ Chain size: #40 roller chain
✅ Teeth: 43
✅ Bore: 1-1/8" finished bore (28.6 mm)
✅ Bore style: BS
✅ Keyway: 1/4 x 1/8
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for in power transmission systems? This handy guide explains common roles and setup tips.

- transfers torque between chain and drive shaft - pairs with #40 chain for proper speed and torque transfer - uses a finished bore, keyway, and set screws for secure mounting - ideal for conveyors, industrial machinery, and farming equipment