Title:
A sintering bearing, a manufacturing method for the same, and a fluid kinetic pressure bearing device provided with the sintering bearing
Document Type and Number:
Japanese Patent JP6199106
Kind Code:
B2
Abstract:
A sintered bearing includes a sintered metal formed by using a metal powder mixture containing copper powder and iron powder. The metal powder mixture contains 80 wt% or more of particles having an average particle diameter of less than 45 µm. The copper powder contains electrolytic copper powder. The electrolytic copper powder contains 40 number% or more of particles having a circularity of 0.64 or more.
Inventors:
Tetsuya Kurimura
Fuyuki Ito
Shinji Komatsubara
Uchiyama Tochihiro
Fuyuki Ito
Shinji Komatsubara
Uchiyama Tochihiro
Application Number:
JP2013151697A
Publication Date:
September 20, 2017
Filing Date:
July 22, 2013
Export Citation:
Assignee:
ntn corporation
International Classes:
F16C33/12; B22F1/052; B22F5/00; C22C9/00; F16C17/10
Domestic Patent References:
| JP2012241728A | ||||
| JP2006214003A | ||||
| JP2013092163A | ||||
| JP11269508A |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Yusuke Noguchi
Tsuyoshi Kumano
Yusuke Noguchi