The Super-E line of electric motors features a shaft-grounding brush. They're available in 1 through 50 hp in totally enclosed fan cooled (TEFC) or open drip proof (ODP) foot-mounted designs along ...

Electric motors fitted with variable frequency drives are at risk of bearing damage due to a build-up of current in the rotor that discharges through the shaft, damaging the lubrication and bearing ...

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.