Title:
BALL BEARING
Document Type and Number:
Japanese Patent JP2010065828
Kind Code:
A
Abstract:
To provide a ball bearing including a cage to which a lubricating part formed of a solid lubricant is fitted, having enough mechanical strength, and attaining favorable lubricating performance even when being applied to a large-sized ball bearing or an angular ball bearing with a narrow ball interval.
A separator (a cage) 4 is formed of a sheet metal. A ring-like lubricating part 5 formed of a solid lubricant is fitted to a circular hole 41 of the separator 4. Balls 3 are rotatably disposed inside the ring-like lubricating part 5.
Inventors:
SAKAMOTO TADAHIKO
HOSOYA MASAYUKI
HOSOYA MASAYUKI
Application Number:
JP2008235530A
Publication Date:
March 25, 2010
Filing Date:
September 12, 2008
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/44; F16C19/16; F16C33/42; F16C33/66
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu