Title:
軸受装置
Document Type and Number:
Japanese Patent JP7360875
Kind Code:
B2
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:
Naota Yamamoto
Shinichiro Miki
Junichi Terada
Shinichiro Miki
Junichi Terada
Application Number:
JP2019175891A
Publication Date:
October 13, 2023
Filing Date:
September 26, 2019
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C41/00; F16C19/36
Domestic Patent References:
| JP2018096469A | ||||
| JP2007298080A | ||||
| JP2007192281A | ||||
| JP2008162569A |
Foreign References:
| US5803419 | ||||
| US20080101741 |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office