Rolling bearing
AssigneeNissan Motor Co., Ltd.
InventorsEiji Hirai, Mitsuhiro Okuhata, Nobuo Kino, Keizo Otani, Tomofumi Furukawa
Life of this patent
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Abstract
A rolling bearing used in a system including an automotive power train and a peripheral auxiliary equipment of the power train, and in a compressor. The rolling bearing comprises a first race and a second race. A rolling element is rotatably disposed between the first and second races. A film whose main component is a metal selected from the group consisting of nickel and copper has a thickness ranging from 0.1 to 15 μm. The film is formed on a surface of at least one of the first race, the second race and the rolling element.
Claims19
A rolling bearing comprising:
- a first race;
- a second race;
- a rolling element rotatably disposed between the first and second races;
- and
- a film whose main component is a metal selected from the group consisting of nickel and copper, the film being formed on a surface of at least one of the first race, the second race and the rolling element.
A rolling bearing used in a system including an automotive power train and a peripheral auxiliary equipment of the power train, the rolling bearing comprising:
- a first race;
- a second race;
- a rolling element rotatably disposed between the first and second races;
- and
- a film whose main component is a metal selected from the group consisting of nickel and copper, and having a thickness ranging from 0.1 to 15 μm, the film being formed on a surface of at least one of the first race, the second race and the rolling element.
A rolling bearing for a compressor, used under a lubricating condition in which hydrofluorocarbon as a refrigerant and a lubricant dissolvable in the hydrofluorocarbon are mixed, the rolling bearing comprising:
- a first race;
- a second race;
- a rolling element rotatably disposed between the first and second races;
- and
- a film whose main component is a metal selected from the group consisting of nickel and copper, the film being formed on a surface of at least one of the first race, the second race and the rolling element.
Dependencies are inferred from the claim text.