

PB Sprag Type Overrunning Clutch
The PB Sprag Type Overrunning Clutch is a robust and versatile mechanical component that combines the functions of a sprag overrunning backstop clutch. Its internal sprag mechanism ensures free, smooth overrunning in one direction while providing immediate, positive lockup for torque transmission or backstopping in the reverse direction. Engineered for demanding applications, sprag overrunning backstop clutch is widely used in heavy-duty gearboxes, large conveyors, and printing machinery to enable reliable freewheeling, indexing, and the critical prevention of reverse rotation, ensuring operational safety and efficiency in industrial drive systems.
- Phone: 18019694558
- Email: sales@backstopclutch.com

PB Sprag Type Overrunning Clutch
The PB Sprag Type Overrunning Clutch is a robust and versatile mechanical component that combines the functions of a sprag overrunning backstop clutch. Its internal sprag mechanism ensures free, smooth overrunning in one direction while providing immediate, positive lockup for torque transmission or backstopping in the reverse direction. Engineered for demanding applications, sprag overrunning backstop clutch is widely used in heavy-duty gearboxes, large conveyors, and printing machinery to enable reliable freewheeling, indexing, and the critical prevention of reverse rotation, ensuring operational safety and efficiency in industrial drive systems.
- Phone: 18019694558
- Email: sales@backstopclutch.com




















