Title:
HUB UNIT BEARING
Document Type and Number:
Japanese Patent JP2019190637
Kind Code:
A
Abstract:
To attain structure capable of adjusting preload imparted to a rolling body, in a structure with which an outward member having double-row outer ring raceways on an inner peripheral surface is formed integrally.SOLUTION: An outer member 4 has double-row outer ring raceways 8a and 8b on an inner peripheral surface, and is formed integrally. The outer member 4 has a holding groove 10 formed in a circumferential direction and opened radially inward in a portion sandwiched between the double-row outer ring raceways 8a and 8b in an axial direction. A spacer whose axial dimension is changed based on application of voltage is held inside the holding groove 10 in a state of being sandwiched from both sides in the axial direction by the inner surface of the holding groove 10.SELECTED DRAWING: Figure 1
Inventors:
CHIBA TAKESHI
WAKABAYASHI TATSUO
WAKABAYASHI TATSUO
Application Number:
JP2018087420A
Publication Date:
October 31, 2019
Filing Date:
April 27, 2018
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C25/08; B60B35/14; B60B35/18; F16C19/18; F16C33/58
Attorney, Agent or Firm:
Kiwa Patent Office