A:Answer Hi SLM,
That's an interesting question. Removing the hinges is not advisable since the doors are attached to the hinges.
The back of the unit measures 68 7/8 inches, while the front measures 70 inches due to the door. We would suggest looking into the link below for more details.
Dimensions on page 2
https://image-us.samsung.com/SamsungUS/home/home-appliances/pdf/RF18A5101SR_V9.pdf
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Have a great day.
^Charles