#40 Chain Sprocket with 21 Tooth and 1 1/8" Finished Bore, Model #40BS21-1 1/8 Transmission Belt bending its tab into a

bending its tab into a slot to prevent nut rotation

25" X 7/8") 2 Grooves for A

B-Section Groove 3 Outside Dia

60"Outside Length

Bore Size: 1-1/4 finished bore

#40 Chain Sprocket with 21 Tooth and 1 1/8" Finished Bore, Model #40BS21-1 1/8 Transmission Belt bending its tab into aSprocket #40 Chain 21 Tooth, 1 1 8 Finished Bore with Keyway & Set Screws Looking for a reliable #40 chain sprocket? This 21 tooth, 1 1 8 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. Its a durable choice for conveyors, industrial machinery, agricultural equipment, and general power transmission systems. Product Specifications Bore Size: 1 1