Rolling bearings for dental handpieces

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专利权人:

日本精工株式会社

发明人:

鈴木 弘典

申请号：

JP2007100848

公开号：

JP4962103B2

申请日:

2007.04.06

申请国别(地区):

JP

年份:

2012

代理人:

摘要：

<；P>；PROBLEM TO BE SOLVED: To provide a rolling bearing for a dental hand piece reduced in cost and improved in bearing rotation capacity at high-speed rotation. <；P>；SOLUTION: A retainer 59 is formed of heat-resistant resin composition. A base resin of the resin composition is polyphenylene sulfide containing glass fiber and/or carbon fiber, or polyether ether ketone containing glass fiber and/or carbon fiber. Further, the circularity of the retainer, the roughness of a guide surface, and a guide clearance are controlled. <；P>；COPYRIGHT: (C)2009,JPO&INPIT

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