Title:
CONICAL ROLLER BEARING
Document Type and Number:
Japanese Patent JP2018004012
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To reduce the agitation resistance of a lubricant, to reduce the viscosity resistance of the lubricant, and to obtain low torque.SOLUTION: A conical roller bearing 10 comprises: an inner ring 2; an outer ring 3; a plurality of conical rollers 4; and an annular cage 5. The cage 5 has a small annular part 21 located at one side of the conical rollers 4 in an axial direction, a large annular part 22 located at the other side of the conical rollers 4 in the axial direction, and a plurality of column parts 23 for connecting the small annular part and the large annular part. The cage 5 can contact with an internal peripheral face of the outer ring 3 at least at one side in an axial direction, and positioned in a radial direction by the contact. The column parts 23 have pocket faces 27 facing external peripheral faces 4a of the conical rollers 4, and the pocket faces 27 have plane shapes which are straight to a direction progressing toward the outer ring 3 side from the inner ring 2 side, and can linearly contact with the conical rollers 4.SELECTED DRAWING: Figure 1
Inventors:
SHISHIHARA YUKI
KAMAMOTO SHIGEO
MURATA JUNJI
NAKAHAMA NARUHITO
KAMAMOTO SHIGEO
MURATA JUNJI
NAKAHAMA NARUHITO
Application Number:
JP2016134432A
Publication Date:
January 11, 2018
Filing Date:
July 06, 2016
Export Citation:
Assignee:
JTEKT CORP
International Classes:
F16C33/46; F16C19/36; F16C33/66
Domestic Patent References:
| JP2014214771A | 2014-11-17 | |||
| JPS5076452A | 1975-06-23 | |||
| JP2017214970A | 2017-12-07 | |||
| JP2007107595A | 2007-04-26 | |||
| JP2015183804A | 2015-10-22 | |||
| JP2006022824A | 2006-01-26 |
Attorney, Agent or Firm:
Patent Business Corporation Suncrest International Patent Office