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Axle bearing characteristic frequencies at a wheel experiment speed of 100 km/h.
| Axle Bearing Parameter and Faults | Fault Characteristic Frequency (Hz) |
|---|---|
| Rotation frequency of inner ring (fi) | 10.2865 |
| Outer ring fault (fa) | 83.2979 |
| Cage fault (fb) | 4.3898 |
| Pin roller fault (fc) | 33.9294 |
