Title:
軸受装置およびスピンドル装置
Document Type and Number:
Japanese Patent JP7362239
Kind Code:
B2
Abstract:
A bearing (1) includes an inner ring (4), an outer ring (2), a rolling element (3), and a cage (5). A bearing device includes: the bearing (1); and a heat flux sensor (7) that is disposed at the outer ring (2) and that detects a heat flux. The bearing device supports a rotation body using a structure in which a spacer is interposed between the bearings (1). The spacer includes an outer ring spacer (13) and an inner ring spacer (14). The heat flux sensor (7) is disposed at a non-rotation side spacer of the inner ring spacer (14) and the outer ring spacer (13).
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Inventors:
Yusuke Shibuya
Takashi Koike
Yasuyuki Fukushima
Takashi Koike
Yasuyuki Fukushima
Application Number:
JP2018190852A
Publication Date:
October 17, 2023
Filing Date:
October 09, 2018
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C41/00; F16C19/02; F16C33/66; F16C35/12
Domestic Patent References:
| JP2004169756A | ||||
| JP2015014586A | ||||
| JP2017191019A |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office