Does anyone know a good, cheap, source for stainless steel ball bearings. I'm looking for roughly 1/2" diameter, but can be flexible on the size.
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McMaster-Carr sells them for $10 for 15: |
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Check out the seller "Toolsupply" on eBay. He has them in all sizes and materials. There are probably others, but this is the one that I found. |
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Amazon sells them at $20 for 100. Go in with a few other teachers if you don't need that many! |
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