20 Tooth Chain Sprocket For 80 Chain With 1 7/8 Inch Finished Bore Featuring Keyway And Set Screws, Model 80BS20 1 7/8, Ready To Install For Durable And Reliable Power Transmission

Single 20-Tooth #80 Chain Sprocket, 1 7/8 Bore
✔️ 20-tooth #80 chain sprocket with 1 7/8 in finished bore, keyway

This single-unit chain sprocket is built for dependable power transfer in conveyors, industrial machinery, and agricultural equipment. It features a precision finished bore with a keyway and set screws for secure shaft mounting.

✅ Teeth: 20; Chain size: #80; Bore: 1 7/8 in (47.63 mm) BS style
✅ Keyway: 1/2 x 1/4 in (12.70 x 6.35 mm); Mounting: Includes 2 set screws
✅ Finish: finished bore ensures accurate shaft fit and reliable drive
✅ Applications: conveyors, industrial machinery, and agricultural equipment

💡 What is a chain sprocket with a finished bore used for in power transmission systems? In practice, a finished bore lets you mount the sprocket directly on a shaft with precise alignment.
- Handy for conveyors and general machinery drive trains - Improves mounting security with a built-in keyway and screws - Compatible with #80 roller chain and 20-tooth design for steady timing