mick i have not done that but here is what to be concerned with. is the bearing sealed? if so it will not work due to the seals and grease will not hold up to powder temps. if not sealed then if it can be cleaned and taped off it should work, i would be concerned for the bearing though i dont know if the cure temp might tend to anneal(soften) the bearing or race material. maybe someone has done this or something like it and will answer.
best of luck bro.
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when in doubt polish it out/ why replace it when you can refinish it
G2 Polishing and Powdercoating
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