一种具有压缩机侧壳体凸缘（2）的排气涡轮增压器的轴承壳体（1），与壳体凸缘（2）整体连接的中心壳体部分（3），其中第一部分部分 4）设置在油室（5）上; 以及具有涡轮侧壳体凸缘（7）并且形成有油室（5）的第二部分部分（8）的涡轮机侧壳体部分（6）。 中央收纳部（3）和涡轮侧收纳部（6）形成为一体。 形成分离部件的轴承壳体（9）通过这些限定油室（5）而插入到中央壳体部分（3）中并进入涡轮机侧壳体部分（6）。

The present invention has an integrally connected to a central housing section (3) in the housing flange (2), a first part section of the oil chamber (5) (4) is disposed therein the compressor-side housing flange (2) has a turbine casing flange (7), the second part section (8) turbine casing section to form therein an oil chamber (5) (6 ) and a, to a bearing housing (1) of the exhaust turbocharger. Central housing section (3) and the turbine-side casing section (6) are formed integrally. Bearing housing which forms a separate component (9) is inserted into the central housing section (3) inside, is inserted into the turbine side housing section (6) in, separating them by the oil chamber (5).