Rolling bearing with coated element
US6234679A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1999 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | Nov 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A rolling bearing made of bearing steel and incorporating an inner race, an outer race positioned coaxially about the inner race and a set of rolling bodies positioned in the annular space between and in rolling contact with the inner and outer race, wherein at least one of the inner race, the outer race and the set of rolling bodies is provided with a surface coating incorporating an exterior carbon nitride layer and an intermediate layer interposed between the carbon nitride layer and the surface of the coated component(s), said intermediate layer being hexagonal boron carbon nitride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.