High speed lubricated bearing

Claim 1

A bearing for high-speed rotors, the rotors being mounted for rotation about an appropriate axis, comprising a bearing housing formed by a housing body and a bearing flange attached to said housing body and having cylindrical external damping surfaces in concentric relation to the rotor axis, a chamber containing lubricating oil arranged within said bearing housing, a one-piece bearing bush floating in lubricating oil arranged in said chamber bearing housing with an axial clearance therebetween, further cylindrical external damping surfaces in concentric relation to the rotor axis arranged on the circumference of said bearing bush and in engagement with said damping surfaces of the bearing housing, two bearing supports arranged on said bearing bush in an axially spaced relation to each other, each said bearing support including an axial bearing surface defined by an outer front surface of said bearing bush in normal relation to the rotor axis, and a radial bearing surface directly adjoining said axial bearing surface and formed by a bore in said bearing bush in concentric relation to the rotor axis, annular lubricating oil grooves each provided in said bearing bush in the area of said two radial bearing surfaces, each of said lubricating oil grooves dividing an associated said radial bearing surface into an axially inward narrower radial bearing portion and an axially outward larger radial bearing portion, lubricating oil ducts arranged in said bearing bush and interconnecting said two lubricating oil grooves and also connecting the same with said chamber in said bearing housing containing lubricating oil, and means for securing said bearing bush against any rotation in relation to said bearing housing, said means comprising a radial abutment on said bearing bush and counterabutment on said bearing housing which cooperates with said radial abutment on said bearing housing.