Rolling Element Bearings In Electric Motors

Essay specific features

 

Issue:

Technology

 

Written by:

Dawn H

 

Date added:

May 14, 2012

 

Level:

University

 

Grade:

A

 

No of pages / words:

5 / 1270

 

Was viewed:

5006 times

 

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Essay content:

Locating bearings position the shaft and support radial and axial loads, while nonlocating bearings handle radial loads and let shafts move axially to prevent overloading from thermal expansion. The most common setup for smaller motors in horizontal machines consists of a pair of deep-groove ball bearings mounted on a short shaft in a cross-locating arrangement...
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Medium and large electric motors typically use deep-groove ball bearings for locating. The nonlocating bearing may be a ball bearing, cylindrical-roller bearing, or toroidal-roller bearing, depending on the loads, speeds, and operating environment. Motors for vertical machines typically incorporate deep-groove ball bearings, angular-contact ball bearings, or spherical-roller thrust bearings...
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