Title:
BEARING DEVICE AND ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2022/270295
Kind Code:
A1
Abstract:
In the present invention, a free-side bearing is a rolling bearing that comprises: a pair of race rings; and a plurality of rolling elements that are interposed between raceway surfaces of the pair of race rings. The rolling elements are constituted by ceramic rollers which do not have a crown section on the rolling surfaces thereof. In at least one of the race rings, a surface thereof opposing the other race ring is formed by a straight section between a crown section and a crown section at both ends in the axial direction.
Inventors:
UENO MASANORI (JP)
Application Number:
PCT/JP2022/022950
Publication Date:
December 29, 2022
Filing Date:
June 07, 2022
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/26; F16C33/34; F16C33/58; H02K5/16; H02K5/173
Foreign References:
| JP2006077814A | 2006-03-23 | |||
| JP2006112568A | 2006-04-27 | |||
| JPS5495654U | 1979-07-06 |
Attorney, Agent or Firm:
SHIROMURA Kunihiko et al. (JP)
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