Table 5.
Detailed description of PU datasets.
| Bearing State | Bearing Code | Fault Position | Description |
|---|---|---|---|
| Health | K004 | Healthy | Run-in period 5 h |
| Fault 1 | KA04 | Outer ring (SP, S, Level 1) | Caused by fatigue and pitting |
| Fault 2 | KA16 | Outer ring (SP, R, Level 2) | Caused by fatigue and pitting |
| Fault 3 | KA22 | Outer ring (SP, S, Level 1) | Caused by fatigue and pitting |
| Fault 4 | KA30 | Outer ring (D, R, Level 1) | Caused by plastic deform and indentation |
| Fault 5 | KB23 | Outer ring and inner ring (SP, M, Level 2) | Caused by fatigue and pitting |
| Fault 6 | KB24 | Outer ring and inner ring (D, M, Level 3) | Caused by fatigue and pitting |
| Fault 7 | KB27 | Outer ring and inner ring (D, M, Level 1) | Caused by plastic deform and indentation |
| Fault 8 | KI16 | Inner ring (SP, S, Level 1) | Caused by fatigue and pitting |
SP—single point fault; S—single damage; D—distributed fault; R—repetitive damage; M—multiple damage