Forty Chain Sprocket With 21-Tooth And Five Eighths Inch Finished Bore Featuring Keyway And Set Screws For Secure Mounting And Reliable Power Transmission Ideal For Industrial Lifts And Conveyors In Agricultural And Manufacturing Settings

21-Tooth #40 Chain Sprocket with 5/8 Bore, Model 40BS21-5/8
✔️ 5/8 bore, 21 teeth, BS style, keyway 3/16 x 3/32, 2 set screws

This single #40 chain sprocket features 21 teeth and a 5/8 finished bore with a precision keyway and two set screws, ready to install in power-transmission systems. It's a durable choice for conveyors, industrial machinery, agricultural equipment, and general drive trains.

✅ Bore size: 5/8 finished bore with 3/16 x 3/32 keyway
✅ Chain size: #40 roller chain
✅ Teeth: 21 teeth
✅ Bore style: BS with keyway and two set screws
✅ Mounting: includes 2 set screws for secure mounting

💡 What is a long-tail keyword question about chain sprockets used for in industrial power transmission? This handy overview addresses common uses and mounting considerations. - Transfers torque efficiently with #40 chain in conveyors and machinery - Secures mounting via 3/16 x 3/32 keyway and two set screws - Fits standard 5/8 bore and 21-tooth geometry for compatible systems