80 Chain Sprocket, 21 Tooth, 2 Inch Finished Bore With Keyway And Set Screws For Durable Power Transmission In Professional Equipment, Reliable Drive And Secure Mounting In High Load Industrial Machinery

Single-unit, 80-tooth chain sprocket with 2 in bore
✔️ 21 teeth, 2 in bore (50.8 mm) with keyway & 2 set screws

This chain sprocket is built for #80 roller chain and features a 2 in bore (50.8 mm) with a precision keyway. It’s ready to mount on conveyors, industrial machinery, and agricultural equipment, delivering reliable power transmission in rugged environments.

✅ Bore Size: 2 in (50.8 mm)
✅ Chain Size: #80 roller chain
✅ Number of Teeth: 21
✅ Bore Style: BS
✅ Keyway: 1/2 x 1/4
✅ Mounting: Includes 2 set screws

💡 What is the best way to choose a chain sprocket for a simple drive system?

Choosing the right sprocket depends on chain size, bore, mounting hardware, and load.

- Correct chain pitch: align with chain's pitch to prevent skipping - Bore and mounting: ensure finished bore, keyway, and set screws fit the shaft - Material and finish: choose steel, hardened or stainless for longevity - Working environment: consider lubrication needs and corrosion resistance