Dynamic Fatigue Analysis of High-Speed Trains Gearbox Using Copula Function

Table 3

Strength degradation parameters of the bearings.

Strength degradation parameters of bearings
	a	b
Four-point contact ball bearing	14.7844	11.9669
Outer cylindrical roller bearing	14.7844	11.9669
Inner cylindrical roller bearing	14.7844	11.9669
Outer tapered roller bearing	16.2118	13.4591
Inner tapered roller bearing	16.2118	13.4591