Precise movements are made with precision slides. Reciprocating linear bearing accuracy, the possible runout in any plane, is typically as low as 0.005 in./in. Because linear bearings are only as ...

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 ...