| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ball bearing capable of preventing a retainer from deforming, for example, such as breaking even by excessive centrifugal force. <P>SOLUTION: In the ball bearing provided with a wavy retainer which is equidistantly formed with a semi-circular ball retaining portion in circumferential direction and oppositely combine two annular retention plates, it is formed with a flange which projects to at least one of inner diameter side end or outer diameter side end of the annular retention plates in axial direction. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
