| 摘要 |
An outer metallic ball-bearing ring has a ball-locating raceway on its inner bore. At least one sharply defined part pyramidal notch in a land of the bore of the ring projects inwardly from one side face of the ring terminating adjacent the raceway. A full complement of balls can be assembled in the raceway by splitting the ring as is known and the notch ensures the ring fractures along a defined axial plane when exposed to controlled force.
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