| 摘要 |
PROBLEM TO BE SOLVED: To provide a thrust bearing in which the end surface of a second cylindrical flange approaches a rolling surface or projects with respect to the rolling surface, or a combination needle bearing capable of using even the component of the thrust bearing and having high design flexibility.SOLUTION: In a combination needle bearing configured by integrally combining a radial bearing and a thrust bearing, in a buck-up lathe, a diameter is made larger than the outer diameter of a second cylindrical flange, and a recess part made smaller than an inscribed circle of the rolling surface of each thrust needle is provided. |
