Title:
BEARING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/059955
Kind Code:
A1
Abstract:
A bearing device (100) is provided with a conical roller bearing (10) and a sensor (20). The conical roller bearing (10) has an inner ring (11), an outer ring (12) arranged on the outside of the inner ring (11), conical rollers (13) arranged between the inner ring (11) and the outer ring (12), and a retainer (14) that is arranged between the inner ring (11) and the outer ring (12) and holds the conical rollers (13). The sensor (20) has a sensor head (21) for detecting rotation of the retainer. The inner ring (11) includes a first inner circumferential surface (11c) and a first outer circumferential surface (11d). The outer ring (12) includes: a second inner circumferential surface (12c) opposing the first outer circumferential surface (11d); a second outer circumferential surface (12d); and a first width surface (12a) and second width surface (12b), which are end surfaces in the axial direction of the outer ring (12), and are continuous with the second inner circumferential surface (12c) and the second outer circumferential surface (12d).
Inventors:
YAMAMOTO NAOTA (JP)
MIKI SHINICHIROU (JP)
TERADA JUNICHI (JP)
MIKI SHINICHIROU (JP)
TERADA JUNICHI (JP)
Application Number:
PCT/JP2020/033899
Publication Date:
April 01, 2021
Filing Date:
September 08, 2020
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD (JP)
International Classes:
F16C19/36; F16C41/00
Foreign References:
| JP2018096469A | 2018-06-21 | |||
| US5803419A | 1998-09-08 | |||
| JP2007298080A | 2007-11-15 | |||
| JP2007192281A | 2007-08-02 | |||
| JP2008162569A | 2008-07-17 | |||
| US20080101741A1 | 2008-05-01 | |||
| US5902065A | 1999-05-11 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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