Patent ID: 7025505

Claim:
A fluid bearing device comprising: a housing; and a bearing sleeve fixed to an inner periphery of said housing, said bearing sleeve forming a radial bearing gap with respect to an outer peripheral surface of a shaft member, said fluid bearing device supporting said shaft member and said bearing sleeve in a radial direction in a non-contact manner by an oil film formed in said radial bearing gap, wherein said housing is formed of a resin composition having a crystallinity of 20% or more, and wherein said housing includes a cylindrical body part having opening opposite ends, a bottom part for closing one end of said body part, and a sealing portion provided to the other end of said body part for forming a sealing gap with respect to the outer peripheral surface of said shaft member, wherein said body part is formed of a resin composition comprising a thermoplastic resin as a base resin and a reinforcing material mixed thereto.