Recirculating-ball power steering is a simple design that is reliable and stout. Despite its robust design, a power steering gearbox will eventually need replacing as the seals, worm shaft, worm shaft ...

Rolling-element bearings in electric motors support and locate the rotor, maintain a small and consistent air gap between the rotor and stator, and transfer loads from the shaft to the motor frame.

This article was updated on June 18, 2025. It was orginally published Nov. 15, 2002. Proper installation and maintenance are essential to bearing performance and premature failure prevention due to ...

Bearing failures are the most common cause of electric motor and generator failure. Maintenance professionals can optimize the life of these machines by following industry best practices for bearing ...