sliding glass door rollers

A quick learner from Brunswick, GA says:
I can't find the replacement rollers for my 20 year old sliding glass door.
It is a single steel concaved, 1" dia. roller made by Ultra.
very similar design of your part # 81-190. Dimensions are very close but the tail end is different. 1.75" main body length X 1 1/16" height. and 9/16" thick.
I am sending pictures.
Thanks for your help.
Dennis
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Tom from SWISCO responded:

Hello! We don't have a product with the code "81-190." That might have been a typo. Either way, looking at your photos I think our 81-044 is our best option. The dimensions match what you've outlined, as well. See what you think.

Dimensions for 81-044
Dimensions for 81-044

A quick learner from Brunswick, GA says:
Hi Tom
Yes the 81-044 looks like exactly what I am looking for.
I will purchase two of them and give them a try.
Thanks
Dennis
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Tom from SWISCO responded:

Awesome, thank you! We really appreciate it. Please let me know if you had any other questions, we're always here to help.

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