A method of lubricating a wave bearing comprising application of an oil
comprising a perfluoropolyether, derivatized perfluoropolyether,
fluorosilicone, polychlorotrifluoroether, or polyphenyl ether, wherein
the oil is capable of sustaining temperatures greater than 121.degree.
C., and at an operating speed of up to 1.4 million DN without
decomposition.