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Table 1 Bearing conditions with assigned labels

From: Sparse Autoencoder-based Multi-head Deep Neural Networks for Machinery Fault Diagnostics with Detection of Novelties

Bearing condition

Fault diameter (mm)

Label

/Class

Load

(hp)

Number of samples

Normal

‒

1

0,1,2,3

1657

Inner race fault

0.18

2

0,1,2,3

476

Inner race fault

0.36

3

0,1,2,3

472

Inner race fault

0.54

4

0,1,2,3

474

Balls fault

0.18

5

0,1,2,3

473

Balls fault

0.36

6

0,1,2,3

475

Balls fault

0.54

7

0,1,2,3

475

Outer race fault

0.18

8

0,1,2,3

475

Outer race fault

0.36

9

0,1,2,3

474

Outer race fault

0.54

10

0,1,2,3

476