How are ball bearings made03: 30 13/03/2010 Matt Mets, how it's done, MAKE: Blog

How are ball bearings made03: 30 13/03/2010 Matt Mets, how it's done, MAKE: Blog


Alan at Hacked Gadgets found this video that shows clearly how to make ball bearings. Everyone who works for what seems like a simple piece! [Via Hacked Gadgets]

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