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Occurring during operation inhomogeneity of the contact pressure distribution between the rollers and the bearing rings due to skew affects the durability and dynamics of the bearing parts. The article describes a modified method of normal contact pressure determination according to the theory, based on the Bousinessque equation. The efficiency of the method is estimated and results of numerical simulation of normal contact pressure distribution in the contact of the roller with the raceway of the inner ring of the cylindrical roller bearing for different roller profiles, loads, and skew angles are presented. It is shown that the logarithmic profile creates the lowest pressure concentration at the ends of the roller.

Numerical study of the effect of roller profile and ring skew on roller raceways contact pressure in cylindrical roller bearing