40 Chain Sprocket, 20 Teeth, Five Eighths Inch Finished Bore With Keyway And Set Screws For Secure Mounting And Reliable Power Transmission Model 40BS20 Five Eighths Inch Ideal For Durable Long Lasting Service In Conveyors And Machinery

Single 20-Tooth #40 Chain Sprocket, 5/8 Bore with Keyway
✔️ 5/8 bore, 20T, #40 chain, BS bore, with keyway and 2 set screws

This chain sprocket is designed to work with #40 roller chain and a 5/8 inch finished bore. It's a sturdy, ready-to-mount part used in conveyors, agricultural equipment, and industrial machinery to transfer rotary motion efficiently.

✅ Bore size: 5/8 finished bore
✅ Chain size: #40 roller chain
✅ Teeth: 20
✅ Bore style: BS
✅ Keyway: 3/16 x 3/32
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for in power transmission systems? This handy part drives motion by meshing with a chain and a shaft. - Matches #40 chain pitch and 20-tooth count for precise timing - Uses a 5/8 inch finished bore with a keyway for secure mounting - Suitable for conveyors, farm equipment, and industrial machinery - Maintenance tips: keep alignment accurate and lubricate where needed