New Formsprag Model FHB external backstops for mining applications

Formsprag Clutch has introduced a new high speed backstop designed with inner race centrifugal throw out sprags to meet the backstopping requirements of inclined


Three FHB models are offered in bore ranges from 1.13 to 3.75-inch, with metric bores available.

conveyors or bucket elevators that use a gear reducer with the backstop mounted externally onthe high speed or intermediate shaft. Formsprag’s over 50 years of experience in overrunning and backstopping clutches has produced a backstop design that includes many market requested features and is maintenance free.

FHB Backstops feature a higher speed range and greater torque capacity in a smaller envelope compared to competitive models. Units require no maintenance and have a bearing B-10 life of more than 100 years.

Three FHB models are offered in bore ranges from 1.13 to 3.75-inch, with metric bores available. OSHA cover option is available and components are stocked for shorter lead times. Altra Industrial Motion (NASDAQ:AMIC) is a leading multi-national designer, producer and marketer of a wide range of electromechanical power transmission products. The company brings together strong brands covering over 40 product lines with production facilities in nine countries. Altra’s leading brands include Boston Gear, Warner Electric, TB Wood’s, Formsprag Clutch, Wichita Clutch, Industrial Clutch, Ameridrives Couplings, Kilian Manufacturing, Marland Clutch, Nuttall Gear, Stieber Clutch, Twiflex Limited, Bibby Transmissions, Matrix International, Inertia Dynamics, Huco-Dynatork, Ameridrives Power Transmission, Delroyd Worm Gear and Warner Linear.

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