I keep finding these but don't know what they are!??

[drewdiggs]

Almost 4 1/2 in. diameter ...Flat stainless steel.? I think!?

 

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[MadTom]

I’ve seen that and for the life of me I can’t remember where. Let me think about this for a bit

Looked around my shop. Looks like part of an old bowel filter from a tractor. There would of been material on it though. Still think it’s some kind of balance wheel from a clock

 

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