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  1. George V

    electric motor bearings temperature difference

    Many thanks to all. Bearings are DE and NDE same. All PM followed precisely. I take your suggestion that cooling fan at NDE cools NDE brg more than DE. indeed it is a 2 pole motor. Many thanks
  2. George V

    electric motor bearings temperature difference

    Bearing ( ball bearing ) temperature in DE side of electric motor is mostly higher than NDE bearing ( ball bearing ) side by about 10 C. Can this be explained ?
  3. George V

    rolling bearing wear marks

    Hello , Among various wear marks in rolling bearings , there is one that resembles fretting corrosion of outer ring with housing bore , but in this case ( see images attached ) cannot be the case , since fitting of outer ring with housing bore seems to be tight . Bearing details : 6310-ZC3 ...

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