What Ultra door roller is this?

A quick learner from Holly Ridge, NC says:
Please help me identify this roller. The roller name is ULTRA and the measurements are as follows: Length is 77mm Height is 30mm Width is 22mm and the Full Height including the roller wheel is 42mm.


A customer submitted photo of an Ultra roller.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thanks for posting, Mike!

Can we please have the width of the roller (including the "nubs") in inches? After that we will have a better idea of what you can possibly use as a replacement.
A quick learner from Holly Ridge, NC says:

Thanks for your response.

The width of the roller including the "nubs" is seven eighths (7/8) inches as my old eyes see it.


Mike P.
Profile picture of Mike
Mike from SWISCO responded:
Mike, the 81-245 Roller Assembly appears to be the closest match, as the housing width (including the nubs) measures approximately 7/8".
A quick learner from Holly Ridge, NC says:
Thank you very much gentlemen. I am ordering 2 of the recommended rollers today!

Again, thank you.

Mike P.
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