BEARING ASSEMBLY FOR AN ELECTRIC MOTOR WITH AN AXIALLY PRELOADED BALL BEARING
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United States of America Patent
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Aug 6, 2015
app pub date -
Jan 28, 2015
filing date -
Feb 3, 2014
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Abstract
The present invention relates to a bearing assembly for an electric motor, in particular for a small electric motor. It comprises an axially preloaded ball bearing with an inner race and an outer race. The bearing assembly further comprises an axial stop, a spring element disposed between the axial stop and the inner or outer race, respectively, for generating the axial preload, and a thrust washer made of metal and disposed between the spring element and the inner or outer race. It is provided according to the invention that the thrust washer is coated on both sides with a layer increasing static friction.
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