Patent ID: 6012849
Filing Date: 2000-01-11
Classification: F16C

Abstract:
A bearing structure of a rotating machine having a rotating shaft, for supporting the rotating shaft at its both ends, the bearing structure comprising:a bearing bush supporting the rotating shaft at least at one end thereof, the bearing bush having rounded corners formed on an outer periphery thereof, a bearing surface on which the rotating shaft is rotatably supported and a relief bore having a diameter larger than that of the bearing surface, one end of the relief bore being connected to the bearing surface and the other end of the relief bore being open to an axial end of the bearing bush, wherein the relief bore of each bearing bush is open toward an outside of the rotating machine, so that a supporting distance is shorter than it would be if the relief bore was open to an inside of the rotating machine;a frame member for supporting the bearing bush, the frame member having a round surface for holding the rounded corners of the bearing bush in contact therewith, whereinrotating of the shaft and the bearing surface is self-aligned by rotation of the bearing bush relative to the supporting frame member.