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Table 1 Bearing parameters

From: Establishment of Dynamic Model for Axle Box Bearing of High-Speed Trains Under Variable Speed Conditions

Parameter

Value

Inner ring mass m1 (kg)

4.63

Inner ring radius r (mm)

6.5

Total bearing mass m2 (kg)

30

Outer ring radius R (mm)

120

Number of rollers N0

17

Contact angle α (°)

10

Half-cone angle β (°)

1.7

Bearing rolling element diameter d (mm)

26.5

Bearing pitch diameter D (mm)

156.25

Axle load F (N)

20250