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Selecting the correct bearing seal

  • August 2011
  • Number of views: 3247
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Article

The primary functions of a bearing seal are to keep lubricant in the bearing and bearing chamber, and to exclude contaminants from that area. The discussion in this article relates to seals that are external to the bearing and therefore not a part of the bearing itself. Key factors in bearing seal selection include:

  • The type of lubricant (oil or grease)
  • The type of bearing (rolling or sleeve)
  • Shaft surface speed, connection to load (e.g., direct-coupled or belted)
  • Seal friction and consequent heating
  • Physical space available

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.

This booklet covers topics such as:

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  • How to read a motor nameplate
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EASA/AEMT Rewind Study

EASA Rewind Study cover

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.

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ANSI/EASA AR100-2020

ANSI/EASA AR100-2015 cover

Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

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EASA Technical Manual

EASA Technical Manual cover

Revised May 2024
The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.

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