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  1. oss39347

    Spalls on Outer Race of Deep Groove Ball Bearing (NSK 6226)

    Hello everyone! I'm seeking assistance and confirmation about the bearing damage we encountered two months ago. Last April, the inboard bearing (drive-end) of one of our motors driving an air fan experienced high enveloped acceleration (as high as 9.2 gE). The problem actually started on...
  2. oss39347

    Tips on Motor Bearing Load Calculation

    Hi all! I would like to seek assistance or advice on how to calculate the load on the Motor Inboard Bearing as shown in the image. Drive train specification is as follows: 1. Motor Power = 720 kW 2. Rotational Speed = 1738 RPM 3. Fan Brake Power = 644 kW Thanks!

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