#80 Chain Sprocket with 21 Tooth and 1 3/4" Finished Bore, Model #80BS21-1 3/4

Sprocket #80 Chain – 21 Tooth, 1 3/4 Finished Bore with Keyway & Set Screws

Looking for a reliable #80 chain sprocket? This 21-tooth, 1 3/4 finished-bore sprocket is built for dependable power transmission and comes ready to install with a precision keyway and two set screws for secure mounting. It’s a durable choice for conveyors, industrial machinery, agricultural equipment, and general power-transmission systems.

Product Specifications

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