Title:
円すいころ軸受用保持器および円すいころ軸受
Document Type and Number:
Japanese Patent JP7195112
Kind Code:
B2
Abstract:
A conical roller bearing holder has: a large-diameter-side annular section (12) that extends along the large end surfaces (11) of a plurality of conical rollers (6) in the circumferential direction; asmall-diameter-side annular section (13) that extends along the small end surfaces (10) of the conical rollers (6) in the circumferential direction; and a plurality of pillars (14) that connect the large-diameter-side annular section (12) and the small-diameter-side annular section (13), wherein a large-diameter-side pocket surface (16) is formed, in the large-diameter-side annular section (12),in such a manner as to face the large end surface (11) of the corresponding conical roller (6), and an oil retaining hole (20) that introduces lubricating oil by a capillary phenomenon and retains thelubricating oil and that is a non-through hole is formed in the large-diameter-side pocket surface (16).
Inventors:
Hiroki Matsubuchi
Takashi Kawai
Takanori Ishikawa
Yasuto Fujikake
Takashi Kawai
Takanori Ishikawa
Yasuto Fujikake
Application Number:
JP2018206639A
Publication Date:
December 23, 2022
Filing Date:
November 01, 2018
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/66; F16C19/16; F16C33/46
Domestic Patent References:
| JP2015183804A | ||||
| JP2007032612A | ||||
| JP2005083554A | ||||
| JP2017025931A | ||||
| JP8200376A | ||||
| JP2008014428A | ||||
| JP2008164062A | ||||
| JP2010071321A |
Foreign References:
| WO2017033977A1 | ||||
| CN201902452U |
Attorney, Agent or Firm:
Naoya Kamada
Bunji Kamata
Yaichiro Nakatani
Takayuki Tagawa
Bunji Kamata
Yaichiro Nakatani
Takayuki Tagawa