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Patent Searching and Data


Title:
ROLLING BEARING
Document Type and Number:
Japanese Patent JP2011102642
Kind Code:
A
Abstract:

To provide a bearing usable at high rotation speed and having a long life, the bearing being used in a vacuum environment not permissive of oil content.

The rolling bearing 1 includes an inner ring 2, an outer ring 3, a plurality of rolling elements 4 interposed between the inner ring 2 and the outer ring 3, and a retainer 5 slidably contacting and retaining the plurality of rolling elements 4. The retainer 5 is made of a metal material or a heat resistant resin material, constituted by forming a film including tungsten disulfide powder on at least one surface or more of a retainer 5 surface, and a mixing rate of the tungsten disulfide powder in the film is 80-95 vol.%.


Inventors:
Tsutsui, Hideyuki
Hirata, Masakazu
Application Number:
JP2010000292726
Publication Date:
May 26, 2011
Filing Date:
December 28, 2010
Export Citation:
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Assignee:
NTN CORP
International Classes:
F16C33/44; F04D19/04; F04D29/059; F16C19/06; F16C32/04; F16C33/38; F16C33/56; F16C33/66