Oil-whirl instability in rotor bearings was discovered by General Electric engineer Burt Newkirk in the 1920s. Since then, much has been written about design methods to reduce its harmful effects. Yet ...

Back in the 1980s, Pacific Bearing Co. (PBC) invented and commercialized plain bearings, which were sized to be interchangeable with linear ball bearings. Plain bearings worked very well in certain ...

When wheel bearings go bad, you'll know. Here are some top replacements. If you’ve spent many years owning a car or truck, especially one that’s out of warranty, you’ve probably heard the song of the ...