[Lab] [ORE_bits] what kind of bearings for an A-Axis?

[jim kiskis]

darcy send me a pic of the mounting shaft for the chuck best would be the
shaft attached to the chuck , need a top and side view
that will give me the info i need

jim

On Tue, Apr 5, 2011 at 9:34 AM, Darcy Whyte <darcy at siteware.com> wrote:

>
>
>  I got a small chuck that I believe is suitable for an A-Axis on a CNC
> machine.
>
> http://mambohead.com/2011/03/3-axis-nema-23/
>
> It has a 1/2-20 thread at the back. So I figure I can complete the A-Axis
> with
>
> -1/2 inch shaft with an inch of thread at one end.
> -two bearings
> -two pulleys and a belt
> -one stepper
> -some aluminum cut out to hold everything in place and to bolt down to bed
>
> Obviously I need a bearing that can withstand thrust? Or do I? Does anybody
> have any suggestions what bearings I should use?
>
>
>
>
>
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