Articles

Tips, tricks & technical information – all in one place. Boost your knowledge with our insightful articles written by our engineers.
Guides

Find guides for installations, accurate preload, tolerances, how-to’s & more with our technical guides.
Calculators

Calculators to help you: 1) Detect issues before they turn into bearing failures 2) Ensure you’re selecting the right product.
POPULAR RESOURCES
Bearing Support Toolkit [PDF] Download
We understand that learning about bearing nuances and calculations
‘on-the-go can get overwhelming, which is why we’ve created this
toolkit — to help give you the information you need when you need it. Read More…
GMN Catalogs & Downloads – FREE
Get our ball bearing catalog, sprag clutch catalog, and labyrinth seal catalog in PDF formats for FREE. We don’t even require you to put in an email address.
We also have correction factor PDFs and preload change PDFs (and much more) free to download. Read More…
Automatic Cross Reference Tool
Our ball bearing cross reference tool makes interchanging your bearings fast, easy, and convenient.
In seconds you can find the GMN equivalent part number to major angular contact bearing brands like SKF, NSK, NTN, Barden (& more). Check it out
POPULAR ARTICLES
Ball Bearing Guide
Precision ball bearings are what most people contact our engineering support team about. Bearings are way more complicated than they seem! That’s why we created this ball bearing guide – so you can get everything you need to know about bearings in one easy to access spot. Bookmark it and come back for more. Read More…
How a Sprag Clutch Works
A sprag clutch looks like a roller bearing, but instead of allowing the elements to roll freely in both directions, they lock when rolled in the opposite direction. Sounds simple enough, right? Well, there is a whole lot that goes into the functionality of a one-way bearing. Read More…
Ceramic Ball Bearings
Ceramic ball bearings (also known as hybrid bearings) are the one component that’ll easily optimize the performance of your application. The ceramic balls are made out of silicon nitride (Si3N4) and they offer lots of key advantages, find out in this article: Ceramic Balls in a Bearing
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