Title:
WHEEL BEARING DEVICE AND WHEEL ATTACHMENT METHOD
Document Type and Number:
Japanese Patent JP2021088235
Kind Code:
A
Abstract:
To provide a wheel bearing device which can prevent falling of a wheel during attachment of the wheel and enables work, in which the wheel is fixed to a flange part by bolts, to be performed easily, and to provide a wheel attachment method.SOLUTION: A wheel bearing device 1 includes: an inner member 2 attached with a wheel 80 having a supported part 81 provided with a center hole 800; an outer member 3 fixed to a knuckle 91; and rolling elements 41. The inner member 2 has: a flange part 22 for fixing the supported part 81; and a support part 23 which is fitted in the center hole 800 and supports the supported part 81. The support part 23 has: a cylindrical part 231 having an outer peripheral surface 231a which is fitted in an inner peripheral surface 800a of the center hole 800; and a protruding part 232 protruding from the cylindrical part 231 to the radial outer side. In the wheel 80, the supported part 81 is disposed at an axial position between the flange part 22 and the protruding part 232 and a portion, in which a recessed part 801 is not formed, of the supported part 81 is engaged with the protruding part 232 to be prevented from removing.SELECTED DRAWING: Figure 1
Inventors:
WEN SHIHUAN
Application Number:
JP2019218593A
Publication Date:
June 10, 2021
Filing Date:
December 03, 2019
Export Citation:
Assignee:
JTEKT CORP
International Classes:
B60B35/14
Attorney, Agent or Firm:
Hirata International Patent Office