A hydrodynamic bearing device which can improve workability of injecting a
lube repellant and effectively prevent leakage of a lubricant, a method
for manufacturing the same, a spindle motor, and a recording and
reproduction apparatus are provided. A hydrodynamic bearing device 4
includes a lube repellant 11a which is applied in a circular shape by a
predetermined distance in a radial direction from a portion of an upper
surface of a second thrust flange 41c where it is connected to a shaft 41
and a lube repellant 11b which is applied in a circular shape on an outer
peripheral surface of the second thrust flange 41c below from an upper
end in the radial direction by a predetermined distance. The lube
repellant 11b is applied near the upper end portion in a gap formed
between the outer peripheral surface of the second thrust flange 41c and
an inner peripheral surface of an outer sleeve 44.