Ball bearing for high rotational speeds
US6142674A · kind A · utility
8Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1999 |
| Grant date | Nov 7, 2000 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S384/913
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A bearing which is wear-free and optimal in terms of loading at very high rotational speeds and even in the case of self-aligning bearings with point contact. bearing uses balls made of ceramic and raceways of X 30 Cr Mo N 15-1. A radial clearance of between 0.0005 and 0.0007 times the bore diameter of the inner race is provided. One race may be planar and the other profiled to the balls. The planar race may be slightly convex to the balls or may be conical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.