They lie at the heart of every fidget spinner and in every motor that runs our lives, from the steppers in a 3D printer to the hundreds in every car engine. They can be as simple as a lubricated ...

Adding new features and capabilities to bearings improves productivity and lowers costs. Bearings have long been used to reduce friction, support loads, locate shafts, and reinforce system rigidity.

The wear and wear debris from rotating-platform mobile-bearing knees and fixed-bearing knees were compared in knee joint-simulator studies. The wear rate of the fixed-bearing knees was found to ...