Research Article
Feature Extraction of Weak-Bearing Faults Based on Laplace Wavelet and Orthogonal Matching Pursuit
Table 3
Parameters of deep groove ball-bearing SKF6205-2RS.
| | Parameter name | Parameter value |
| | Number of rolling elements | 9 | | Inner ring diameter (mm) | 25 | | Outer ring diameter (mm) | 52 | | Pitch diameter (mm) | 39.04 | | Rolling element diameter (mm) | 7.94 | | Contact angle (°) | 0 | | Inner ring impact fault characteristic frequency (Hz) | 156.14 | | Outer ring impact fault characteristic frequency (Hz) | 103.36 |
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