There is a step beyond regrinding. Takao Noda has a Frejus I restored with a Campagnolo Record BB refitted with sealed bearings! The BB was shot and I had access to world class machinists. I copied OMAS to make drawings.
Joe B-Z
GNNJ
> In a message dated 8/14/02 4:02:35 PM Pacific Daylight Time,
sachs@erols.com
> writes:
>
> << By the way, I believe that my Schwinn Paramount 3-piece hubs (steel
> barrel,
> alloy shell) have the cups machined directly into the barrel. It's a
> feature, not an advantage... >>
> If they are the same as most 3 piece hubs, there are no separate cups. The
> bearings run directly on the metal of the steel center and when they pit,
you
> have the choice of replacing the entire hub, or finding someone who will
> undertake the expensive regrinding operation after removing the flanges.
In
> the day, hubs were replaced. The "innovative" Record alloy hub with the
> replaceable "machined and then ground" races was a major improvement over
> tossing the hubs. Now that these hubs are valuable collectors items, the
> relatively insane and expensive process of regrinding them (so as to NOT
toss
> them) is more realistic than "in the day".
> Stevan Thomas
> Alameda, CA