SWISCO - The Replacement Hardware Authority

Searching for D-4012

A quick learner says:
I think I need the Del Mar D-4012-SH. I've attached a pic. The rollers do not have a part number on them, they do say Del Mar. I'm guessing it's D-4012 because it looks the same. Do you have a replacement part? I will need two of them.
User submitted image of their door hardware.
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Paul from SWISCO responded:
Please compare your hardware to our 81-056, this looks like it could be a good match. Just make sure the dimensions are all the same.
A quick learner from Massachusetts says:
Thanks for the reply. For the one I have it looks like the wheels have an outer diameter of around 1 1/8". The part you guys have is only available in 1" or 1 1/4" OD. Can you generally use a 1" assembly where a 1 1/8" was used before?
A quick learner from Massachusetts says:
Would the 81-169 seem to be the same?
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Tom from SWISCO responded:
While the wheel size is slightly different, you can always adjust it up or down to make up the difference. As for the 81-169, it could possibly work, but it would depend on the size of your roller. The dimensions are slightly different. You will need to measure yours to confirm the best match.
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