Rolling bearing

Bearings – Rotary bearing – Antifriction bearing

Reexamination Certificate

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Reexamination Certificate

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07070335

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.

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patent: 2001-20958 (2001-01-01), None
K. Tamada et al., “A New Type of Microstructural Change in Bearings for Electrical Instruments and Auxiliary Devices of Automotive Engines”, NTN Technical Review No. 61, 1992, pp. 29-39.
Y. Murakami et al., “Study on Fatigue Mechanism of Bearings for Automotive Alternators”, NSK Technical Journal No. 656, 1993, pp. 1-14.
Japanese Industrial Standard (JIS), “Vickers Hardness Test—Test Method”, JIS Z 2244, 1998, pp. 1-8.
Japanese Industrial Standard (JIS), “High Carbon Chromium Bearing Steels”, JIS G 4805, 1999, pp. 1-31.
Japanese Industrial Standard (JIS), “Rolling Bearings—Designation”, JIS B 1513, 1995, pp. 1-10.
T. Saito, “Practice of Carburizing Hardening”, Nikkan Kogyou Shinbunsha, Aug. 30, 1979, pp. 188-191 and 242-247.
K. Sato et al., “Hydrogen Embrittlement of a Compressor Thrust Bearing with Replacement Refrigerant HFC 134a”, Tribologist, vol. 37, No. 11, 1992, pp. 918-922.
U.S. Appl. No. 10/295,038, filed Nov. 15, 2000, Hirai et al.

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