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How many types of bearings are made use of in the PMDC motors?

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in Design of Electrical Machines by (687k points)
How many types of bearings are made use of in the PMDC motors?

(a) 2

(b) 3

(c) 4

(d) 5

This question was posed to me in an interview for internship.

My question is based upon Design Steps and Considerations topic in division Design of Permanent Magnet (PM) DC Motors of Design of Electrical Machines

1 Answer

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Best answer
The correct option is (a) 2

Easiest explanation: There are two types of bearings used in the PMDC motors. They are bell bearing and the journal bearing.

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