In one narration the wording is: The she-camel('s bones) would have broken.
Ahmad recorded it, and al-Tabarani recorded something similar. Its chain contains a narrator, Shahr bin Hawshab, who is da'if (weak), though he has been declared trustworthy.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب التفسير / 10964