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Re: Sprockets on a bearing?
We have something very similar on our robot, but we used gears.
http://www.vexrobotics.com/vexpro/mo...sprockets.html
Take a look at those plate sprockets. With those you will be able to put a bearing in the middle, and use the 1.875 inch bolt circle to attach to your rotating lever. This will allow the shaft to spin independent of the plate the sprocket is bolted to.
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