| abstract |
The invention relates to a fluid dynamic bearing system, in particular for the rotary bearing of a spindle motor, with a first bearing component (10) and a second bearing component (12), the second bearing component (12) in a bearing bore of the first bearing component (10) by means of a fluid dynamic bearing system relative to the first bearing component (10) is rotatably mounted, and that the first bearing component (10) or the second bearing component (12) or a part thereof consists of a brass alloy, the brass alloy having the following composition in percent by weight: 61.5% - 62% Cu, 1.0% - 2.5% Mn, 0.8% - 1.2% Al, 0.5% - 1.0% Si, 0.2% - 0.5% Ni, ≤ 0.5 % Fe, ≤ 0.5% Pb, balance Zn. |