ðɪs kˈɔːzᵻz kənsˈɪdɚɹəbəl fɹˈɪkʃən ɔnðə bˈɛɹɪŋ sˈɜːfɪs, wˈɛɹɪŋ ɪɾ ˈaʊt ænd ɡˈɪvɪŋ ˈɔf sɪɡnˈɪfɪkənt ɐmˈaʊnts ʌv hˈiːt.
This causes considerable friction on the bearing surface, wearing it out and giving off significant amounts of heat.