Trick for removing old bearing races

Computers & Mobile Metalworking Technology Workshop
Trick for removing old bearing races
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Jake von Slatt sent us a link to this nifty “legendary” automotive tip for removing old bearing races from an aluminum axle hub. There’s no way of knocking or prying them out. But if you weld a bead around the inside of the race, when the weld cools, it’ll shrink enough that it’ll come away from the hub, so that you can install new bearings. Cool! I guess this technique would work in other situations where shrinking a metal part would free it from a housing.

A neat trick for removing bearing races

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Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. His free weekly-ish maker tips newsletter can be found at garstipsandtools.com.

View more articles by Gareth Branwyn

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