Support unit for turbocharger rotor and supercharging device for internal combustion engine

The utility model relates to a supporting unit for a turbocharger rotor and a supercharging device for an internal combustion engine. The bearing unit comprises a bearing housing and a bearing sleevewhich is arranged in the central bore in order to radially support the turbocharger rotor. The bearing sleeve has a radially outwardly extending projection in the region of the first axial end. The projection is designed to act together with the support housing as a rotation prevention for the support sleeve. The utility model provides a compact and cost-effective supporting unit for a turbocharger rotor. 本实用新型涉及一种用于涡轮增压器转子的支承单元和用于内燃机的增压装置。该支承单元包括支承壳体以及支承套，该支承套为了径向支承涡轮增压器转子在该支承壳体中布置在中央孔中。该支承套在第一轴向端部的区域中具有径向向外延伸的凸出部。该凸出部被设计成作为用于该支承套的防转动部与该支承壳体共同作用。按照本实用新型提供用于涡轮增压器转子的、紧凑且成本有效的支承单元。