Beefed Up Roller Chain Sprocket With Hardened Teeth Type B Hub For Forty Chain Size One Half Inch Pitch 21 Teeth Bored To Size Single Strand Drive Sprocket One Inch Bore Three Point Six One Eight Inch Outer Diameter Two Point Seven Five Inch Hub Diameter

Hardened Sprocket for 40 Chain 21 Teeth 1 Inch Bore
✔️ Single strand with hardened teeth and 1 inch bore size

This handy sprocket hooks up with standard roller chain to move power through machines like conveyors and simple drive setups in shops or factories.

✅ Fits 1/2 inch pitch 40 chain for straight power transfer
✅ Hardened teeth resist wear during daily heavy runs
✅ Type B hub includes keyway and setscrews for solid shaft hold
✅ High carbon steel body handles torque without bending

💡 What affects how well a chain sprocket performs over time in a drive system? Picking the right sprocket keeps your setup running steady and cuts down on extra fixes. - Match chain pitch and tooth count to control speed and torque right - Go with hardened teeth for longer life when the load stays high - Check bore size and hub style so it locks tight without wobble