HYDRODYNAMIC BEARING ASSEMBLY

摘要

PURPOSE: A spindle motor is provided to prevent separation of a shaft caused by external shock through an extension unit of a sleeve. CONSTITUTION: A combination unit(132) is equipped on an upper unit of a shaft. A rotor hub(140) is installed in the combination unit. A sleeve(120) supports the shaft to be rotated. An extension unit(124) of the sleeve is extended to the combination unit.