Title:
ROLLER BEARING
Document Type and Number:
WIPO Patent Application WO/2022/050165
Kind Code:
A1
Abstract:
In the present invention, a bearing device simultaneously achieves both creep resistance and electrolytic corrosion resistance. At least one of an inner-diameter surface (11b) of an inner ring (11) and an outer-diameter surface (12b) of an outer ring (12) is covered by a coating layer (30). The coating layer (30) comprises a plurality of layers. Of the plurality of layers, a surface layer comprises a creep-resistant coating (31) having lubricating properties, and at least one layer excluding the surface layer comprises an insulating coating (32) having insulating properties.
Inventors:
KAWAGUCHI HAYATO (JP)
MASUDA TOSHIKI (JP)
MASUDA TOSHIKI (JP)
Application Number:
PCT/JP2021/031325
Publication Date:
March 10, 2022
Filing Date:
August 26, 2021
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C33/64; F16C19/06; F16C35/07
Domestic Patent References:
| WO2018038241A1 | 2018-03-01 |
Foreign References:
| JPH0653824U | 1994-07-22 | |||
| JPS5510111A | 1980-01-24 | |||
| JP2013199954A | 2013-10-03 | |||
| JP2019138467A | 2019-08-22 | |||
| JPS6085626U | 1985-06-13 | |||
| JP6338035B1 | 2018-06-06 | |||
| JPS6085626U | 1985-06-13 |
Other References:
See also references of EP 4209689A4
Attorney, Agent or Firm:
KAMADA Naoya et al. (JP)
Download PDF: