Title:
HUB UNIT BEARING AND MANUFACTURING METHOD THEREOF, AND AUTOMOBILE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2019211084
Kind Code:
A
Abstract:
To effectively prevent creeping from occurring between a hub body and an inner ring.SOLUTION: A hub is configured such that an inner ring (10a) is externally fitted to a fitting cylindrical part (11) in a state where the axial outer end part of the inner ring is in contact with a step surface (12), and the axial inner end surface thereof is restrained by the axial outer surface of a restraint part (17) of a caulking part (13a), to thereby couple and fix a hub body (9a) and the inner ring (10a). The caulking part (13a) has an engagement recess part (19) extending in a radial direction. The inner ring (10a) has an engagement projection part (21) engaging with the engagement recess part (19).SELECTED DRAWING: Figure 5
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Inventors:
HAGIWARA NOBUYUKI
Application Number:
JP2019129480A
Publication Date:
December 12, 2019
Filing Date:
July 11, 2019
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C35/063; B21J9/02; B21K1/05; B60B35/02; F16C19/18; F16C19/28; F16C33/60; F16C43/04
Attorney, Agent or Firm:
Sumio Tanai
Yuichiro Shimizu
Hiroki Ninai
Yuichiro Shimizu
Hiroki Ninai