80 Chain Sprocket With 21 Teeth And 2 7 16 Inch Finished Bore Model 80BS21-2 Featuring Precise Keyway And Two Set Screws For Secure Mounting Ready To Install And Designed For Durable Power Transmission On Standard Chain Drives

Premium #80 Chain Sprocket, 21 Teeth, 2 7/16 Bore
✔️ 21 teeth, 2 7/16 bore (62 mm), keyway and 2 set screws for secure mounting

This #80 chain sprocket is a single-piece drive component designed for reliable power transmission. It mates with #80 roller chain and is commonly used in conveyors, agricultural equipment, and industrial machinery where steady torque transfer is needed.

✅ Bore: 2 7/16 in (62.2 mm) finished bore with 5/8 x 5/16 keyway
✅ Teeth: 21 on #80 chain
✅ Mounting: Includes 2 set screws for secure shaft attachment
✅ Bore style: BS bore style for precise fit

💡 What is a chain sprocket used for in a power transmission setup?

It's a handy drive gear that engages with a chain to transfer rotational motion. - Engages with #80 roller chain to transfer torque reliably
- Includes a precision keyway and set screws for secure mounting on a shaft
- Works with common 21-tooth configurations and 2 7/16 bore
- Ideal for conveyors, agricultural machinery, and industrial equipment