| states of rolling bearing | coding |
| normal | (0,0,0,0,0,0,1) |
| outer ring one level fault | (0,0,0,0,0,1,0) |
| outer ring two level fault | (0,0,0,0,1,0,0) |
| rolling body one level fault | (0,0,0,1,0,0,0) |
| rolling body two level fault | (0,0,1,0,0,0,0) |
| inner ring one level fault | (0,1,0,0,0,0,0) |
| inner ring two level fault | (1,0,0,0,0,0,0) |