Abstract
Tapered roller bearings are usually used in situations in which high bearing stiffness is required. However, a significant increase in stiffness can only be achieved by introducing initial tension (mounting clamp) to the angular contact bearings arrangement. Just like in case of angular contact ball bearings and tapered roller bearings, the preload is an axial displacement of one bearing relative to the other, measured from the neutral state and causing an increase in the internal forces in the bearings. Positive preload causes contact pressures of the rolling parts to appear even when no external force acts. The purpose of this work is to present the influence of the initial tension of a tapered roller bearings system on life of these bearings.
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