Chain Sprocket For 100 Chain 21 Tooth 2 Finished Bore With Keyway And Set Screws Ready To Install For Reliable Power Transmission And Secure Mounting On Industrial Machinery For Broad Industrial Applications

100 Chain Sprocket with 21 Teeth and 2 finished bore
✔️ 21-tooth #100 sprocket with 2 finished bore, keyway, and 2 screws

Our #100 chain sprocket is a sturdy power-transmission component designed for conveyors, industrial machinery, and farm equipment. With 21 teeth and a 2 finished bore, it mounts securely via a keyway and two set screws for reliable operation. Pack size: 1 piece.

✅ Bore size: 2 in (50.8 mm) finished bore
✅ Teeth: 21
✅ Chain size: #100 roller chain
✅ Keyway: 1/2 x 1/4
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for in standard mechanical power transmission systems?

Power transfer relies on matched pitch and bore for smooth rotation. 1) Efficient torque transfer between chain and sprocket 2) Useful in conveyors and industrial drive lines 3) Durable hardware improves life in tough environments