the idea of turning the cup in the bearing seat worries me?
Meh. If it fits correctly and is lubricated properly, rotating a soft aluminium cup into your bearing seat isn't going to hurt it more than pressing a hard steel outer race into it does.
@gbj_tester started
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Meh. If it fits correctly and is lubricated properly, rotating a soft aluminium cup into your bearing seat isn't going to hurt it more than pressing a hard steel outer race into it does.