21-Tooth Chain Sprocket With Finished Bore 1 3 16th Inch For 50 Chain Includes Precision Keyway And Two Set Screws Ready To Install For Reliable Power Transmission And Secure Mounting In Industrial Equipment

Compact #50 Chain Sprocket, 21 Teeth, 1-3/16 Bore
✔️ 21 teeth, 1 3/16 bore, BS style, keyway 1/4x1/8, 2 set screws

This compact chain sprocket is built for reliable power transmission in conveyors, industrial machinery, and agricultural gear trains. It ships ready for mounting, with a precision keyway and two set screws to lock it securely onto the shaft.

✅ Sprocket size: #50 chain
✅ Teeth: 21
✅ Bore: 1 3/16" finished bore (30.2 mm)
✅ Bore style: BS
✅ Keyway: 1/4 x 1/8
✅ Mounting: includes 2 set screws

💡 What is a chain sprocket used for in power transmission? A handy component in chain drives that transfers motion and torque from the drive shaft to the chain, enabling conveyors and machinery to run smoothly.

- chain drive component for conveyors and industrial machinery - transfers rotary motion to a #50 chain with 21 teeth - supports 1 3/16 bore with 1/4 x 1/8 keyway and set screws - helps secure mounting and prevent slip in drive systems