Linear bearings, also called linear guide systems, have been used in the U.S. since the early 1900s, most commonly in printing and textile industries. Previously limited to steel ball bearings, now ...

Essentially, a guide wheel is a ball bearing that has a special shaped outer race. The inner and outer races of ball bearings are a framework with a groove for the balls to rest in. Burke explained ...

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 ...