Bearing unit, in particular railway axlebox bearing unit, having improved anti-fretting behavior
US6561559B1 · kind B1 · utility
14Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2000 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Oct 17, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2326/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A unit comprises a double row taper rolling element bearing (1) having an inner ring means (12, 13) and an outer ring means (6), said inner ring means being fitted on an axle stub (5) between two opposite mounting faces (7, 10), means (19) being provided for preventing fretting corrosion between at least one of said mounting faces and the inner ring means. At least one mounting face and the inner ring means engage each other by means of a polymer support ring (19). The bearing unit can be applied as a railway axlebox bearing unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.