Ibn Umar (may Allah be pleased with him) said that the Messenger of Allah (peace and blessings be upon him) performed ramal from the Black Stone to the Black Stone for three rounds and walked slowly for four.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9278
Nafi' said that Ibn Umar (may Allah be pleased with him) performed ramal from the Black Stone to the Black Stone and said: "The Prophet (peace and blessings be upon him) also did the same."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9279
(a) Sayyiduna Jabir bin Abdullah (may Allah be pleased with him) said: I saw the Messenger of Allah (peace and blessings be upon him) begin ramal at the Black Stone until he completed three rounds back to it.
(b) In the narration of Zayd bin al-Hubab: He (peace and blessings be upon him) performed ramal from the Black Stone to the Black Stone for three rounds and walked slowly for four rounds.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9280
Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) said that he saw the Prophet (peace and blessings be upon him) begin by touching the Black Stone and then set off to his right; he performed ramal in three rounds and walked four rounds, then he (peace and blessings be upon him) came to the Station of Ibrahim and prayed two rak'ahs behind it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9281