Rolling bearing
US6329326A · kind A · utility
20Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 1999 |
| Grant date | Dec 11, 2001 |
| Priority date | — |
| Expiry date | Sep 28, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2240/76
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A rolling bearing has a grease filled therein. The grease contains a perfluoropolyether oil having a straight-chain structure having a dynamic viscosity of from 40 to 160 mm.sup.2 /s, preferably from 40 to 100 mm.sup.2 /s, at 40.degree. C. as a base oil and a particulate fluororesin as a base oil, and a particulate polytetrafluoroethylene as a thickening agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.