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POPULAR ARTICLES
Radial Ball Bearings vs Angular Contact Ball Bearings
Radial ball bearings & angular contact ball bearings have very different characteristics & are needed in different types of applications… Read More…
What is Bearing Preload?
There are three common definitions of bearing ‘preload’ that are NOT interchangeable. Learn all three definitions and the differences of each. Read More…
Super Precision Bearing Preload Strategies
All precision bearings should have a preload established to achieve a high RPM and long application life. It’s suggested for Radial Bearings, but it’s required for Angular Contact. Find out why…
The sprag clutch consists of a series of cam shaped steel wedges (or sprags). Each sprag is placed at an angle to allow rotation in one direction but provides instantaneous locking when force is applied in the opposite direction.
How a Sprag Clutch Works by GMN Bearing USA
How A Sprag Clutch Works

A sprag clutch resembles a roller bearing, but instead of allowing the elements to roll freely in both directions the rolling elements lock… Read More
Everything You Need to Know About A Sprag Clutch
A one-way sprag clutch, sometimes called a “freewheel clutch,” allows rotation in one direction and instantly prevents force from being driven in the opposite direction.
Our GMN one-way sprag clutch products have a very compact design that maximizes the absorption of torque. Read More