81-153 Rollers

A quick learner from Cape Coral, FL says:
I have a single roller patio door (mfg unknown). I would like to go to a dual roller assy. for ease of sliding patio door. My current roller is: 3/4" wide X 1 3/8" high. What roller do you recommend? My roller looks like you 81-153, but shorter of course. I could not locate the dimensions on your web page. Please advise

Thanks in advance,
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Paul from SWISCO responded:
We have detailed dimensions for the 81-153 on its store page. We have multiple images for most of our parts. I will post them here for your convenience.
Alternate image for 81-153
I am not sure if it can work for you, though. I will need to see pictures of your roller removed from the door. I will also need your measurements as compared to the 81-153.
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