| http://www.w3.org/ns/prov#value | - A dynamic pressure type fluid bearing device comprising:a rotary shaft;a hollow sleeve in which said rotary shaft is rotatably mounted; andat least two sets of dynamic pressure generating grooves formed in one of an outer surface of said rotary shaft and an inner surface of said sleeve;wherein a value obtained from k.times.sin .beta. ranges from 0.09 to 0.12, where k=d/e, d is a width of said dyna
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