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Bearing Failure Analysis

Failure of a bearing indicates it has become completely or partially unusable or has deteriorated to the point that it is undependable or unsafe for normal sustained service.

Bearing load ratings are established on the results of laboratory rolling contact fatigue tests. Real world conditions such as misalignment, vibration, shock loading, insufficient or inefficient lubrication, extremes of temperature, or contamination, will decrease the life expectancy of the bearings. If these conditions are severe, they may lead to premature failure of the bearings.

BiSA’s qualified sales personnel and engineers aim to solve our customers’ bearing problems and offer lasting solutions by providing in-depth failure analysis services to determine the cause of bearing failure. Our comprehensive bearing failure analysis process takes all internal and external factors into consideration and includes the following:
• Data from bearing monitoring devices
• Equipment Service and maintenance records
• Lubricant conditions
• External bearing environment which could have an influence on bearing damage
• The condition of other machine elements such as locknuts, adapters, seals and seal wear rings
• Mounted position of bearings, shaft and housing sizes and lubricant distribution conditions.
• The condition of the internal rolling contact surfaces, load zones and the corresponding external surfaces.