#40 Chain Sprocket with 21 Tooth and 1 7/16" Finished Bore, Model #40BS21-1 7/16 Rubber V Belt keyway: 1/4" × 1//8"

keyway: 1/4" × 1//8"

AK109H + H Bushing 7/8" Classical Pulley Sheave

Number of Teeth: 25

1-1/8" Finished Bore with Keyway & Set Screws

Designed for mounting tapered bore bearings like:

#40 Chain Sprocket with 21 Tooth and 1 7/16" Finished Bore, Model #40BS21-1 7/16 Rubber V Belt keyway: 1/4" × 1//8"Sprocket #40 Chain 21 Tooth, 1 7 16 Finished Bore with Keyway & Set Screws Looking for a reliable #40 chain sprocket? This 21 tooth, 1 7 16 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