[Al Skierkiewicz]

Originally Posted by Ianworld

I've found over the years that before i should try to make anything i should always see if i can just buy it. Right now what I'm looking for is a bearing that slips in one direction. Think like a ratchet, it will catch in one direction but spin freely in the other. Its what you find in bicycle rear wheels that allows you to pedal but also slip. If anybody knows what the name of such a bearing is I would be quite thankful if you could divulge your knowledge to me. Even better is if you know where i can find one.

~Ian

The term is "clutch bearings" and they are available from McMaster-Carr, p1014 of catalog 109 or just search on their website.