Troubleshooting Bearing And Lube Oil System Problems.
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Information and an approach intended to help engineering and other plant personnel troubleshoot bearing problems and diagnose the mode of bearing failures are presented. Six leading modes of bearing failure (abrasion, corrosion, electrical pitting, fatigue, overheating, and wiping) are covered in some detail. Each mode is defined and mechanisms of occurrence are described. Also, for each mode, the visual appearance of failed bearings is discussed and possible causes of failure are reviewed. An illustrative example is provided: symptoms on a bearing surface are described and the mode of failure is identified, as is the root cause of failure and possible remedial actions. Because lubrication system problems are a leading cause of bearing failures, effective means of monitoring oil condition are also discussed.
McCloskey, Thomas H. (1995). Troubleshooting Bearing And Lube Oil System Problems.. Texas A&M University. Turbomachinery Laboratories. Available electronically from