Shock and Vibration / 2017 / Article / Tab 2

Research Article

Enhanced Bearing Fault Detection Using Step-Varying Vibrational Resonance Based on Duffing Oscillator Nonlinear System

Table 2

Acquisition information of the rolling bearing from the bearing data center of CWRU.

Fault typesSize of fault (; inch)Approximate rotational speed (r/min)Theoretical fault characteristic frequency (Hz)

Inner race1797162.2
Outer race1730103.4
Rolling element1772139.2

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