Table 2 Data type and tag number.

From: Research on rolling bearing compound fault diagnosis based on AMOMCKD and convolutional neural network

Data type

Bearing code

Tag number

Healthy bearing data

K002

0

Inner ring damage; Pitting; Single point damage; Damage level 1

KI21

1

Inner ring damage; Pitting; Single point damage; Damage level 2

KI18

2

Outer ring damage; Pitting; Single point damage; Damage level 1

KA22

3

Outer ring damage; Pitting; Single point damage; Damage level 2

KA16

4

Mixed damage of outer and inner rings; Plastic deform; Distributed damage; Damage level 1

KB27

5

Mixed damage of outer and inner rings; Pitting; Single point damage; Damage level 2

KB23

6

Mixed damage of outer and inner rings; Pitting; Distributed damage; Damage level 3

KB24

7

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