Roller Bearings link ? ( was Bad Bearing ( was Re: stuck stepper

--- In CAD_CAM_EDM_DRO@y..., bjammin@i... wrote:

> At 06:10 PM 9/13/02 -0000, you wrote:
> >When you get the new bearing here's a little trick I use to get a
> >press fit in a slightly too large hole. Put the housing in a vise
> >and use a center punch to create a series of divots around the

inside

> >of the bearing seat. These divots will displace some metal up and
> >allow you to press in a new bearing in a slightly too large hole.
>
> Not really reliable ... knurling is better. But the raised metal is

way low

> in surface area and will often simply fret away or be pushed back

down.

>
> Regards, Hoyt McKagen
>

How do you knurl the inside of a bearing seat? I've seen knurling
tools for outside diameters, but I didn't know there was such a thing
for an internal curve.

-Erik Reikes