Bukhari Book 007, Number 2916:
Suwaid b. Ghafala reported: I saw Umar (Allah be pleased with him) kissing the Stone and clinging to it and saying: 1 saw Allah's Messenger (may peace be upon him) having great love for you. This hadith has been narrated on the authority of Sufyin with the same chain of transmitters (and the words are):" That he ('Umar) said: But I saw Abu'l-Qasim (way peace be upon him) having great love for you."
Bukhari Volume 2, Book 26, Number 673:
Narrated Salim that his father said:
I saw Allah's Apostle arriving at Mecca; he kissed the Black Stone Corner first while doing Tawaf and did ramal in the first three rounds of the seven rounds (of Tawaf).
Bukhari Volume 2, Book 26, Number 693:
Narrated Ibn Umar:
The Prophet reached Mecca, circumambulated the Kaba seven times and then offered a two Rakat prayer behind Maqam ibrahim. Then he went towards the Safa. Allah has said, "Verily, in Allah's Apostle you have a good example."
Bukhari Book 007, Number 2913:
Ibn 'Umar (Allah be pleased with them) reported that Umar (Allah be pleased with him) kissed the Stone and said: I am kissing you, whereas I know that you are a stone, but I saw Allah's Messenger (may peace be upon him) kissing you (that Is why I kiss you).