The purpose of this thesis is to characterize the dynamic forces on the rear ball bearing of a product that is randomly excited by an electrodynamic shaker. In the scope of this thesis the methodology of designing a statically and dynamically appropriate measuring system that is capable of measuring the components of radial force during the operation of the device. Said measuring system is later manufactured and calibrated. Based on the performed experimental measurements, we characterize the forces that occur in the case of two interference fits between rear ball bearing and device housing. Effect of different belt pretensions are also assesed.
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