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New NSK deep-groove ball bearings for electric motors boost energy efficiency

28 August 2019

The low energy consumption of electric drives is an important target in many industrial applications, and rolling bearings can play a role in delivering this ambition. NSK demonstrates this effect with a new series of deep groove ball bearings that generates up to 80% less energy loss, a factor that has a positive effect on the energy efficiency of electric motors.

Before this development, NSK conducted an intensive investigation into the parameters influencing the energy loss of bearings, drawing a number of interesting conclusions. As a result, the new bearing series uses new grease that has been specially developed for friction reduction, while the grease filling level has also been optimised.

In comparison with a conventional deep groove ball bearing, the new NSK high-efficiency bearings demonstrate 60% less friction when using a steel cage. If a plastic cage is used, internal friction is reduced even further, by almost 80%. As a further benefit, service life with the new grease is increased by a factor of 2.7.

For more information, please contact:

Marie-Dominique Pilath
NSK Deutschland GmbH
Harkortstra├če 15
40880 Ratingen
Germany
Tel:  +49 2102 4811280
Email: pilath-m@nsk.com
Web:  www.nskeurope.com/
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