Title:
ROLLING BEARING FOR DENTAL HAND PIECE
Document Type and Number:
Japanese Patent JP2009002437
Kind Code:
A
Abstract:
To provide an inexpensive rolling bearing for a dental hand piece capable of using at high speed.
The deep groove ball bearing 100 is a rolling bearing for a dental hand piece for rotatably supporting a rotary shaft mounting a tool on a housing, and has an inner ring 101, an outer ring 102, a plurality of rolling bodies 103 rotatably arranged between the inner ring 101 and outer ring 102, and a retainer 104 for retaining the rolling bodies 103 between the inner ring 101 and outer ring 102. The inner ring 101, outer ring 102, and rolling bodies 103 are made of stainless steel. The retainer 104 is formed of a polyphenylene sulfide resin compound including 10-45 wt.% of a potassium titanate whisker processed with a coupling agent.
Inventors:
YABE SHUNICHI
YOSHIKAWA TAKEFUMI
TAKAGI TOSHIMI
YOSHIKAWA TAKEFUMI
TAKAGI TOSHIMI
Application Number:
JP2007164102A
Publication Date:
January 08, 2009
Filing Date:
June 21, 2007
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/44; A61C1/08; F16C19/06; F16C33/32; F16C33/41; F16C33/62; F16C33/66
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Yoshiaki Naito
Cui Shu Tetsu
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