When building a contraption or shop jig that incorporates a frequently-rotated part, it can be useful to integrate bearings. Those of you with access to 3D printers can readily whip up a gewgaw to do so…
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…but those without must rely on more brutish and unreliable methods, like a pressure fit.
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The pressure fit is of course contingent on you having a drill press (or dead-accurate hand drill skills), and a Forstner bit that happens to be just a smidge under the diameter of your bearing.
But what if the difference between your bits and your bearings is, if you'll pardon the pun, intolerable? Tinkerer Mikkel Pedersen solves it this way:
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A bearable solution.