50 Chain Sprocket With 40 Tooth And One And Three Eighths Inch Finished Bore, Model 50BS40, Includes Keyway And Set Screws For Secure Mounting, Ready To Install And Ideal For Reliable Power Transmission In Machinery

50-Chain Sprocket: 40 Teeth, 1 3/8 Finished Bore ✔️ 40-tooth #50 sprocket, 1 3/8 bore, single unit with keyway

This 50BS40-1 3/8 chain sprocket is designed for dependable power transmission in conveyors, industrial machinery, and agricultural equipment. It combines a 40-tooth configuration with a 1 3/8 finished bore, plus a precision keyway and two set screws for secure mounting.

✅ Bore: 1 3/8 finished bore with 5/16 x 5/32 keyway; two set screws
✅ Teeth: 40 teeth for #50 chain
✅ Mounting: keyway and two set screws for secure mounting
✅ Compatibility: fits standard #50 roller chain and BS bore style

💡 How to choose a chain sprocket with a 1 3/8 bore for a #50 roller chain drive system?

This handy guide helps you pick the right sprocket for your drive.

- Fits standard #50 roller chain with 40 teeth
- Uses a 1 3/8 inch finished bore with 5/16 x 5/32 keyway
- Includes two set screws for secure mounting
- Designed for reliable power transmission in conveyors and machinery