You'll have to look at the seals on the bearing to see what size they are. Probably a four digit number.

Once you've got the old bearings and spindle out, you'll have to take some measurements to see how out of round the BB shell is.

Loctite offers a retaining compound that might work: http://www.loctite.com/cps/rde/xchg/...UID=0000000HWO