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Electric currents causes and Insulated bearings benefits


The most common causes of stray electric currents are:

  • Asymmetry in the motor’s magnetic circuit
  • Unshielded power cables
  • Fast switching pulse width modulated frequency converters used in modern VFD’s


Features & Benefits of Electrically Insulated Bearings

  • Virtually eliminates premature bearing failures caused by stray electric currents
  • Increases machine uptime
  • Reduces maintenance costs
  • Provides an economical solution when compared with other insulation solutions


Linqing Nine Star Bearing Science & Technology Co., Ltd 

Insulated bearingHybrid ceramic bearing and  Brass cage DGBB)

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