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In the article, a novel test rig for determining the friction power of modern turbocharger is presented. With the friction test rig developed by the Ostfalia , UAS, the friction torque of the bearing of turbocharger can be measured direct and stationary at any speed up to 125.000 1/min . Since 2010, over 30 turbochargers were measured on the test bench in extensive measurement series. The results give valuable and new insights of the influence of the next parameters on the bearing friction losses: oil temperature, oil pressure, axial force and oil flow rate. Furthermore, a comparison between the different bearing types (floating, semi-floating bearings and ball bearings ) was performed. The main observations and results are discussed in the scientific article.