. Either the freehub support is too weak, being aluminum-made, or the freehub support was CNC-machined in the hub shell and isn't removable at all.
But this means that the drive-side ball bearing is thus removed from the non-drive side, sliding all along the inner hub shell. And is thus not the KBC 6000D ball bearing that bikepro.com and I found on the newer design hub. Unfortunately, there isn't any seal with written/etched specs that could have helped me.
bikeworkshop
Old School Grand Master
If you get the bearing out its easy to measure up and find the code.
Unfortunately with this style of bearing fitment, by the time its badly worn and 20+ years old, the inner section breaks away with the extraction force, leaving just the outer "race" stuck deep in the hub, with no protrusion to extract.
Common with certain "direct fit" headset systems.
You can see why they changed the design.
400⁰ might have given you a chance?
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