Title:
HOLLOW ROLLER ROLLING ELEMENT, ITS MANUFACTURING METHOD, AND ROLLER BEARING USING THE SAME
Document Type and Number:
Japanese Patent JP2004308755
Kind Code:
A
Abstract:
To provide a hollow roller rolling element capable of being lightened and operated at a high speed, and having superior abrasion resistance and long service life characteristic, and to provide its inexpensive manufacturing method and a roller bearing and a linear drive system using the inexpensive rolling element.
In this hollow roller rolling element 1 composed of a ceramic sintered body having a hollow part 6 in the internal axial direction, a volume ratio of the hollow part 6 to the total hollow roller rolling element 1 is 8-50 %, and a thickness 2T of the rolling part is 10 % or more of a diameter D of the hollow roller rolling element.
Inventors:
TAKAO MINORU
TONAI HIROYOSHI
IMAIZUMI TATSUYA
TONAI HIROYOSHI
IMAIZUMI TATSUYA
Application Number:
JP2003102111A
Publication Date:
November 04, 2004
Filing Date:
April 04, 2003
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
F16C33/34; C04B35/638; C04B41/80; F16C19/26; F16C29/04; (IPC1-7): F16C33/34; C04B35/638; C04B41/80; F16C19/26; F16C29/04
Attorney, Agent or Firm:
Hisashi Hatano
Shunguchi Sekiguchi
Akio Saruwatari
Junichi Furukawa
Shunguchi Sekiguchi
Akio Saruwatari
Junichi Furukawa