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 ...

High-accuracy linear motion in hostile environments? No problem. Linear guides find use in a variety of precision-motion applications, from machine tools to medical equipment. They come in two basic ...

Visionary films set in the technologically advanced future have long imagined cars that ride around on frictionless orbs similar to Star Wars’ BB-8. We aren’t there yet, as cars still use wheels and ...