Rolling contact bearing with improved performances
US11078960B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Jan 7, 2020 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jan 7, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/02
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling contact bearing, wherein the surface of the raceways of an outer member and/or an inner member are randomly formed with an innumerable number of microconcavelike pits, the surfaces are provided with said pits having a surface roughness value smaller than 0.25 microns and a skewness Rsk value such that −3.5<Rsk<−1.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.