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Tolerance Rings
If you have removed the Carvewright spindle, you will have noticed two "corrugated" rings which surround the outer races of both bearings. These rings have been called “tolerance rings” in previous threads. What is their purpose? There must be a good reason for them because they must thermally insulate the bearings from the truck, which I think, cannot be a good thing. Are they simply a way to avoid having to machine the truck for the bearings. Were they a counter measure for the QC vibration? Are they to deal with thermal expansion? Do the new CarveTight spindles still use them? Anyone have any answers or ideas?
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