Title:
HUB UNIT BEARING
Document Type and Number:
Japanese Patent JP2018194106
Kind Code:
A
Abstract:
To provide a hub unit bearing that ensures electrical conduction between an outer ring member and an inner ring member so as to prevent electrostatic sparks without using a conductive seal in a seal device.SOLUTION: In a hub unit bearing 10, a conical recess 12f is formed in one axial end surface of an inner ring member 12 around a rotation center CL, and a contact part 18 made of conductive rubber is formed in a radial center part of a side cover 17 that covers one axial end surface of the hub unit bearing 10, and extends to the inner ring member 12 so as to contact with the inner ring member 12. The contact part 18 is formed in a hollow conical shape, and the hollow conical tip of the contact part 18 contacts with the recess 12f.SELECTED DRAWING: Figure 1
Inventors:
SUZUKI AYAMI
Application Number:
JP2017099014A
Publication Date:
December 06, 2018
Filing Date:
May 18, 2017
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/82; B60B35/18; F16C19/18; F16C19/52; F16C33/64; F16C33/76; F16C33/78
Attorney, Agent or Firm:
Patent business corporation glory patent office