Back to results
US 2022/0186776 A1Published application
Rolling bearing
AssigneeNtn Corporation
InventorTomoya NAKAMURA
Life of this patent
Estimating the term…
Abstract
A rolling bearing includes an inner ring, an outer ring, rolling elements, and a retainer that holds the rolling elements. The retainer includes a metal portion and a sliding resin portion The metal portion has communication holes each having a plurality of openings on the surface of the metal portion, and the sliding resin portion is disposed in the communication holes.
Claims16
A rolling bearing comprising:
- an inner ring;
- an outer ring disposed radially outwardly of the inner ring;
- a plurality of rolling elements disposed between the inner ring and the outer ring;
- and
- a retainer retaining the plurality of rolling elements along a circumferential direction, wherein
- the retainer includes a metal portion and a sliding resin portion,
- the metal portion includes communication holes each having a plurality of openings on a surface of the metal portion, and
- a resin is disposed in each of the communication holes to constitute a portion of the sliding resin portion.
5 more elements
The rolling bearing according to 2, wherein
- the openings of the communication holes are disposed on either or both of pocket surfaces of the retainer, or a guide surface of the retainer, and
- a layer formed of the resin constituting the sliding resin portion is formed on the pocket surfaces and the guide surface of the retainer.
Dependencies are inferred from the claim text.