• Francis Klein and Co Private Limited

Overrunning Clutches & Holdbacks

Overrunning clutches and holdbacks are manufactured as per Stieber and Formsprag (USA) design. Both sprag and roller type backstops and freewheels are manufactured. Roller type units are used for low to medium speed overrunning and indexing application while sprag freewheels are used for high speed overrunning and holdback application. Depending on the design sprag lift off from one of the race due to centrifugal action. The torque range is from 10 Nm to 780,000 Nm. In some cases special indexing clutches are supplied with carbide insert which goes up to 700 indices per minute, machine working on 3 shifts per day.