Title:
ROLLING BEARING
Document Type and Number:
Japanese Patent JP2019215033
Kind Code:
A
Abstract:
To provide a rolling bearing in which sufficient electrical conductivity between an inner ring and an outer ring can be secured.SOLUTION: A rolling bearing 1 comprises: a magnetic fluid seal 10. The magnetic fluid seal 10 comprises an annular main body part 11 having conductivity, fixed to an outer ring 3, and blocking an annular opening part 8; and a conductive magnetic fluid 12 for electrically connecting the main body part 11 and the inner ring 2 while being interposed in an annular clearance C1 between the main body part 11 and the inner ring 2. A cylindrical part 20 constituting the annular clearance C1 between an outer circumferential surface of the outer ring 2 and the cylindrical part 20, and holding the conductive magnetic fluid 12 between the outer circumferential surface of the inner ring 2 and the cylindrical part 20 is provided in the main body part 11.SELECTED DRAWING: Figure 2
Inventors:
AOKI YUSUKE
Application Number:
JP2018111890A
Publication Date:
December 19, 2019
Filing Date:
June 12, 2018
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16C33/78; F16C19/16
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office