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Old 04-23-13 | 10:20 AM
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Ronno6
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Joined: Nov 2010
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From: Deep South

Bikes: Cannondale SR's and ST's from the '80's

Cup/cone to Sealed Bearing Conversion

Has anybody attempted to remove the cups from a hub and replace with a sealed cartridge bearing?
I have a Shimano Deore XT hub with a bad cup. Removing the cups is no big deal.
Seems like a 26mm x 9mm x 8mmw sealed bearing (629 RS)would press in just about fine.
Those are a deep-groove bearing. I have not as of yet found affordable angular contact bearings in that size.
I could just reuse the axle and locknuts, adding spacers to get 100mm OLN and go from there.
Would I need an internal spacer to prevent too much side loading?
Any thoughts? (preferably useful thoughts..........the "you're crazy" is a given)
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