Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ROLLING BEARING
Document Type and Number:
Japanese Patent JPH04262121
Kind Code:
A
Abstract:

PURPOSE: To extend the life of a bearing when it is used at high temperatures and under heavy loaded condition in the water.

CONSTITUTION: A bearing ring and a rolling element are respectively formed by ceramics which are mainly composed of silicon nitride. A raceway surface of the bearing ring and the rolling surface of the rolling element are respectively covered by silicon oxide film.


Inventors:
YAMAUCHI KOICHI
MIYOSHI MAKOTO
Application Number:
JP1991000023133
Publication Date:
September 17, 1992
Filing Date:
February 18, 1991
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOYO SEIKO CO
International Classes:
C04B41/87; C23C30/00; F16C33/32; F16C33/34; F16C33/62; (IPC1-7): C04B41/87; C23C30/00; F16C33/32; F16C33/34; F16C33/62