| 摘要 |
<p>PURPOSE:To provide an electromagnetic clutch capable of preventing the slip between a boss section and a rolling bearing without impairing the wokability at the time of assembling at a low cost. CONSTITUTION:A boss section 11a coupled with a ball bearing 12 has a press-in section slightly expanded with the diameter size of the boss section 11a on the rear end side of balls 12c of the ball bearing 12. The ball bearing 12 is coupled with the boss section 11a while the rear end section of its inner ring 12a is pressed into the press-in section of the boss section 11a.</p> |
