Re: Bearing Lock Nuts on 5/8 in ballscrews

<snip>

> 6) Oh yeah...don't forget that you have to set up angular contact

bearings

> in opposed PAIRS... your post implies that you had hoped to preload

a single

> bearing, which, of course, can't be done.
> Keep the bearings reasonably close together...a single bearing at

each end

> of a long skinny screw is the worst possible solution.
> Ideal is a pair of opposed angular contacts at one end and a needle

roller

> bearing at the other to allow the screw to expand and contract with

changes in temperature.

> I'll be turning them as R-30 Type
> C ends (http://www.rockfordballscrew.com/semchart.htm).

The type "C" end from the link shows a pair that are seperated by a
good distance, as opposed to a type "B" end that has them as mateing
surfaces.

Dave