Hub Conversions

Anyone tried to convert ball bearing hubs to sealed bearings ?

Got a couple of old Campy and Zues hubs that are pretty rough and ready on the inside. Thought that it may be possible to remove the inner cups somehow and find a magic bearing size t oslot right in there.

Anyone tried it ?


I havent but I’ve been wondering this too.

A friend has done this a few times, some machining or replacement is usually involved (cones at least).