Title:
DOUBLE-ROW DEEP GROOVE BALL BEARING AND MAGNETIC BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/248270
Kind Code:
A1
Abstract:
A rolling bearing device 16 comprises: an outer ring 20 having a first outer ring raceway groove 26 and a second outer ring raceway groove 27 on an inner circumference; a first inner ring 21 having a first inner ring raceway groove 28 on an outer circumference; a second inner ring 22 having a second inner ring raceway groove 29 on an outer circumference; a plurality of first balls 23 installed between the first inner ring raceway groove 28 and the first outer ring raceway groove 26; and a plurality of second balls 24 installed between the second inner ring raceway groove 29 and the second outer ring raceway groove 27. The first inner ring 21 and the second inner ring 22 are separate parts, and an inner diameter B1 of the first inner ring 21 is larger than an inner diameter B2 of the second inner ring 22.
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Inventors:
KIMURA KAZUHIRO (JP)
YAMAMOTO TAKESHI (JP)
YAMAMOTO TAKESHI (JP)
Application Number:
PCT/JP2022/024459
Publication Date:
December 28, 2023
Filing Date:
June 20, 2022
Export Citation:
Assignee:
JTEKT CORP (JP)
International Classes:
F16C19/08; F16C33/58
Foreign References:
| JP2000193069A | 2000-07-14 | |||
| JP2015178901A | 2015-10-08 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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