This hadith has been reported on the authority of Ibn 'Umar but with a different chain oi transmitters.
Sahih Muslim Book 36, Hadith 247
← Previous Hadith Ibn 'Umar reported Allah's Messenger (ﷺ) as saying that a non-Muslim eats in seven intestines whereas a Muslim eats in one intestine.

Sahih Muslim Book 36, Hadith 246 Next Hadith → He should not come to me. for I heard Allah's Messenger (ﷺ) as saying that the non-Muslim eats in seven intestines.

Sahih Muslim Book 36, Hadith 248