| 摘要 |
PROBLEM TO BE SOLVED: To provide a ball joint which is lightweight, strong and capable of suppressing the occurrence of any play. SOLUTION: In this ball joint comprising a ball stud having a spherical head part and a handle part extending from the spherical head part, a bearing housing the spherical head part of the ball stud, and a housing holding the bearing, the housing comprises an outer cup formed of a soft lightweight metal and an inner cup arranged on an inner circumferential side of the cup and formed of a hard metal. |
