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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