21-Tooth Size 80 Chain Sprocket With One And Three-Quarter Inch Finished Bore, Keyway And Set Screws, Durable Power Transmission Sprocket For Industrial Machinery And Equipment Ready To Install With Precise Keyway And Dual Set Screws

80 Chain Sprocket with 21 Teeth, 1 3/4 Bore BS
✔️ 21-tooth, #80 chain size, finished bore 1 3/4 with keyway

This chain sprocket is designed for #80 roller chain drives, featuring 21 teeth and a 1 3/4 finished bore with a precision keyway and two set screws. Sold as a single sprocket ready to mount on conveyors, agricultural equipment, and industrial drive systems.

✅ Bore Size: 1 3/4 finished bore
✅ Chain Size: #80 roller chain
✅ Teeth: 21
✅ Bore Style: BS
✅ Keyway: 3/8 x 3/16
✅ Mounting: Includes 2 set screws

💡 動力伝達において、チェーンスプロケットはどのような役割を果たすのでしょうか？

Chain sprockets engage with roller chains to transfer torque between shafts, keeping drives synchronized.

- Transfers torque and motion between chain drives
- Maintains chain pitch alignment with drive components
- Easy mounting with a keyway and set screws
- Used in conveyors, agricultural equipment, and industrial drives