2022-07-14
  • How:

    1. Contact area between bearing raceway and rolling elements surface is quite small. If an impact force was applied to the bearing, certain indentations will occur and bearing noise shall be observed accordingly.
proimages/Engineering/blog/22-KD07-BL01_pic1.jpg
  • Indentations resulting from impact on bearing raceway and rolling elements surface:

    Indentations on bearing raceway and rolling elements surface

    proimages/Engineering/blog/22-KD07-BL01_pic2.jpg   proimages/Engineering/blog/22-KD07-BL01_pic3.jpg

    Roundness measurement on bearing inner ring raceway

    proimages/Engineering/blog/22-KD07-BL01_pic4.jpg
  • Countermeasures:

    1. 1. Prevent bearings from dropping.
    2. 2. Prevent bearings from impact either preservation or operation.
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