Title:
BALL BEARING
Document Type and Number:
WIPO Patent Application WO/2020/262029
Kind Code:
A1
Abstract:
A ball bearing equipped with an inner race, an outer race positioned to the outside of the inner race, a plurality of rolling elements interposed between the inner and outer races, and a ring-shaped holder provided with a pocket for holding the rolling elements so as to have an interval interposed therebetween in the circumferential direction and be capable of rotating around a rotational axis, wherein the holder comprises a resin composition containing polyether ether ketone, graphite and carbon fibers, the polyether ether ketone constitutes 60-80 wt%, inclusive, the graphite constitutes 10-30 wt%, inclusive, and the carbon fibers constitute 5-20 wt%, inclusive, when the resin composition overall equals 100 wt%.
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| JP2020054121 | ELECTRIC ACTUATOR |
| JP2018169029 | ROLLING BEARING |
Inventors:
KARAKI TADAHIKO (JP)
TOHYAMA HIROTAKA (JP)
MATSUMOTO KUNIHIRO (JP)
TOHYAMA HIROTAKA (JP)
MATSUMOTO KUNIHIRO (JP)
Application Number:
PCT/JP2020/023138
Publication Date:
December 30, 2020
Filing Date:
June 12, 2020
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
F16C19/06; F16C33/44
Domestic Patent References:
| WO2006062115A1 | 2006-06-15 |
Foreign References:
| JP2002213455A | 2002-07-31 | |||
| JP2000065068A | 2000-03-03 | |||
| JP2018054111A | 2018-04-05 |
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
Download PDF:
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