3/4 in. offset, backset closet door roller

A landlord from Montana says:
I am looking for a 3/4 in. offset version of the rear bypass hanger E-Z Roll model 23-178 (1 1/2 in. offset, backset), in which the base of wheel appears to be much closer to the top of the door than in the case of the Cox 3/4 in. offset, backset roller (Home Depot). Surprisingly, none of the suppliers/manufacturers list the distance the roller wheel sits above the horizontal plate of the bracket. This is a critical measurement when looking for a replacement part.
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Emily from SWISCO responded:

Thanks for reaching out to us! I'm afraid we don't sell another version of the 23-178. However, you're more than welcome to upload some photos of the roller you're looking to replace for us to look into. I can't make any promises but we can try our best. 

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