Analysis of Single Row Deep Groove Ball Bearing

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Rolling element bearings are major components in rotating machinery. Rolling element bearing failure is a major factor in failure of rotating machinery and monitoring their condition is important to avoid catastrophic failures. The different techniques are available for condition monitoring of rolling element bearings as their vibration signature reveals important information about the defect development within them. Amongst them the vibration analysis has been used as a predictive maintenance procedure and as a support for machinery maintenance decisions. In the present work, a test rig has been designed and fabricated which provides various shaft speeds. The test bearings used in the present work are single row deep grove ball bearings having artificial cracks on its outer race and inner race along with healthy bearing. The efforts have been carried out in study of vibration analysis of bearing at different speeds, loads and for different defect location on various bearing elements. The variation in amplitudes of vibration for above parameters has been noted experimentally. Vibration spectrums for healthy bearing and bearings with defects were recorded.

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