housing dimensions without the flange?

A home owner from Montreal says:

I'm looking for roller assemblies to replace the one in the picture. They're very hard to find! This one looks like it might do. The height isn't quite the same, but depending how low the wheel can go, it might be ok.

The dimensions i see including the flange at the end are good. However, you don't specify the outside width of the assembly *without* the flange. Mine is .71". That's the widest point without the flange (there's a bump at the other end, that's where i measured the width).

So would this assembly do?

And how far down can the wheel drop?, measured from the bottom of the wheel, to the top of the assembly?

Finally, do you have any other assemblies that might fit?

Thank you!
User submitted a photo of a patio door roller.
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Paul from SWISCO responded:
The inside width of the 81-275 is 3/4", and the wheel can drop down 5/8" below the housing. Does that sound good to you?
A home owner from Montreal says:
It might do; how can i tell if 81-275 is a stock item? (Just in case it won't do, and i want to return it - they're not cheap and i need several)
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Donna from SWISCO responded:
They are currently in stock. We also have a less expensive version with a steel ball bearing wheel that may interest you. See our 81-270. Also be sure to see our Return Policy, just in case!
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