it's a metal roller rolling on metal so wear is normal.  As Ken says, it's
heavy steel and I think they expected it to make a groove eventually.  Do
you have bad rust down there or something?
Edward

On Tue, Feb 12, 2019 at 10:35 AM Markus Benne <mbenne@m-bass.com> wrote:

> I have a deep groove in my sliding door track at the bottom.
>
> Is it feasible to lay/glue a piece of stainless steel sheet metal trimmed
> to size in there for the bearing to roll on?
>
> Thanks for any tips.