H.D. hanger pair 23-176s

A professional from Cayman Islands says:
I want to replace Johnson wheel-sets with these. Existing track is 1 3/4"W x 1 1/4"H (Johnson). Will these fit? I don't see detailed dimension in advert (no width.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting, Thomas. I'm not sure if our 23-176S will work for you. I would have to see pictures of your old rollers.

We do show width, though. I will post those dimensions here for your convenience.
Distance between wheel centers for 23-176s
A professional from Cayman Islands says:
Thank you for the width detail. I have already ordered the rollers. After scaling the original diagram, I surmised that is likely & I took a chance. Your photo w dimensions confirms that my bet still looks good. After shipment arrives (in about 10 days, I will post the result for future reference. It's looking good so far.
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