Title:
BEARING DEVICE
Document Type and Number:
Japanese Patent JP2023155701
Kind Code:
A
Abstract:
To provide a bearing device capable of reusing a sensor unit.SOLUTION: A bearing device includes: a rolling bearing having a rotary ring, a fixed ring, and a rolling element; a preload applying member; and a sensor unit. The rotary ring has a rotary ring raceway surface extending along a circumferential direction. The fixed ring has a fixed ring raceway surface extending along the circumferential direction and opposed to the rotary ring raceway surface with an interval therebetween in a radial direction. The rolling element is arranged between the rotary ring raceway surface and the fixed ring raceway surface. The preload applying member applies a preload to the rolling bearing along an axial direction. The sensor unit is detachably attached to the fixed ring or the preload applying member, and has a sensor for detecting a rotation state of the rotary ring.SELECTED DRAWING: Figure 2
Inventors:
ITO HIROYOSHI
Application Number:
JP2022065183A
Publication Date:
October 23, 2023
Filing Date:
April 11, 2022
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16C19/06; F16C41/00; F16C33/76
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office