What are the types of bearings are adopted for small motors and large motors?

What are the types of bearings are adopted for small motors and large motors?
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1 Answer

Answer :

Small motors (LT motors)
Horizontal mounted – deep groove ball bearing at both ends.
Medium motors
Roller bearing at DE and deep groove bearing at NDE.
Large motors (HT motors above 750 kW)
Horizontal mounted – sleeve bearing (pedestal) cooled by lub oil.
Vertical mounted – face to face angular contact ball bearing at NDE and roller or ball
bearing at DE.
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