Bearing support assembly

A gas turbine engine comprising:

• a bearing support comprising:
• a central shaft extending around and along an engine central longitudinal axis of the gas turbine engine, wherein the bearing support comprises a first end and a second end;
• a flange shaft extending radially outward of the central shaft at an acute angle, relative to the engine central longitudinal axis from the first end to the second end, wherein the flange shaft comprises a rim defining an aperture;
• and
• a tube boss extending from the central shaft radially outward through the aperture, wherein an annular channel is defined between the rim and the tube boss;
• and
• an annular sealing member disposed within the annular channel.