Title:
HUB UNIT BEARING AND ITS ASSEMBLING METHOD
Document Type and Number:
Japanese Patent JP2021089043
Kind Code:
A
Abstract:
To obtain a structure which can favorably secure the detection accuracy of a rotational speed of wheels.SOLUTION: A core grid 34 comprises: a fitting cylinder part 36 which is externally fit and fixed to a portion located inside an inner ring raceway 10a in an axial direction at the inside of a hub 3 in the axial direction; a circular ring plate part 37 which is bent toward the inside in a radial direction from an end part of the fitting cylinder part 36 at the inside in the axial direction, and having a pressed face 40 orthogonal to a center axis at an inside face in the axial direction; a connecting plate part 38 which is bent toward the inside in the axial direction from an end part of the circular ring plate part 37 at the inside in the radial direction; and an introverted flange part 39 which is bent toward the inside in the radial direction from an end part of the connecting plate part 38 at the inside in the axial direction. An encoder main body 35 has a detected part 42 at an inside face in the axial direction, and is made to adhere and fixed to an inside face in the axial direction of the introverted flange part 39.SELECTED DRAWING: Figure 1
Inventors:
TAKANASHI HARUMI
WAKABAYASHI TATSUO
WAKABAYASHI TATSUO
Application Number:
JP2019220209A
Publication Date:
June 10, 2021
Filing Date:
December 05, 2019
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C41/00; F16C19/18; F16C33/76
Attorney, Agent or Firm:
Kiwa Patent Office