Formsprag has been designing, manufacturing and delivering dependable, long-lived, precision power transmission products for over fifty years and provides one of the broadest lines of industrial clutches in the world
Formsprag overrunning clutches deliver thoroughly proven, dependable power transmission. Careful selection of highest quality materials, precision-manufactured by experienced craftsmen, conscientious assembly, and rigid adherence to detail guarantee a reliable, quality product.
Overrunning clutches handle torque loads up to 949200 Nm, with other sizes available by request.
- Instantaneous action, no backlash
- Infinitely changing wear points
- More torque, less space
- Full sprag complement
- Formchrome sprags
- “Free-action” retainer
- PCE positive continuous engagement
- C/T “Centrifugal throwout” sprags
Free-Action Retainer Design
The Formsprag “Free-action” sprag retainer design spaces and positions each sprag uniformly, yet allows independent action of each sprag during overrunning and while under load.
Sprags are not caged. The “Free-action” principle allows each sprag to be energised individually.