Hi Denver,
We understand the reason behind your question about removing the doors to accommodate this Samsung refrigerator through a tight doorway.
Yes, the doors of this model are removable, and with the doors removed, the depth is 18 21/32 inches.
Please refer to pages 19 - 24 for detaching and reattaching the refrigerator doors. Turn to pages 16 - 17 for the dimensions of the refrigerator.
https://downloadcenter.samsung.com/content/UM/202102/20210216063222924/DA68-03958P-00_RS5300T-ND__EN-MES-CFR__USA.pdf
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
When you message us, provide us with this number 1145124386, and it will help our team pull up your information.
Leo