• If you have a sacrificial flathead screwdriver and a hammer of sorts, you could try carefully but firmly hitting a corner of the screwdriver between the innermost edge of the race and the middle part of the axle (where the black bearing dust cover is in your image, on the axle). I wouldn’t advise hitting it hard, but the idea would be to hit the hammer at a shallow angle so that just the corner is able to pry the race out just enough to get it moving.

    Hope that makes sense. Good luck with it in any case!

  • I vote for this sort of approach, using a chisel, stanley knife blade or screwdriver.

    If you have an angle grinder with a cutting disk, obviously that is more fun, provides heat as you grind, along with a frisson of danger, sparks etc. Reshaping the race would allow other techniques to get more purchase.

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