| 摘要 |
The clutch includes an input hub keyed to a drive shaft, a spacer telescoped into and keyed to the input hub, a bearing telescoped over and supported radially on the spacer, and an output member supported by the bearing. A bolt is threaded into the drive shaft and, when tightened, causes the bearing to be clamped axially between the spacer and the input hub. The spacer is formed with flats adapted to be engaged by a wrench in order to prevent the spacer, the input hub and the drive shaft from turning when the bolt is tightened.
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