Research Article
Optimal Statistical Feature Subset Selection for Bearing Fault Detection and Severity Estimation
Table 3
Dataset A for fault type detection.
| Class | No. of train samples | No. of test samples |
| Normal | 2649 | 665 | Inner race | 3774 | 961 | Outer race | 3473 | 799 | Ball bearing | 3752 | 987 |
| Total | 13648 | 3412 |
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