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_______ is used to support the rotor of an induction motor.
1. Ball bearing
2. Needle bearing
3. Plummer block
4. Bush bearing

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Correct Answer - Option 1 : Ball bearing

Ball Bearing:

  • It is also known as anti-friction bearing and roller bearing.
  • It is used to connect 2 mechanical units that move relative to one another in such a manner that the friction is the maximum.
  • Ball bearings are provided in small induction motors to support the rotor shaft.
  • It is used in direct-coupled applications.
  • These can handle axial as well as radial loads.

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