| abstract |
The invention relates to a lubricant composition for use in fluid dynamic bearing systems, wherein the lubricant composition comprises at least one base fluid and at least one additive based on phosphorus-containing compounds, wherein the phosphorus-containing compound (s) in an amount of 0.1 wt .-% , based on the total lubricant composition, or less present; fluid dynamic storage systems wherein at least the surfaces of the bearing components that come in contact with the lubricant comprising the lubricant composition of the present invention are at least partially coated with a phosphate coating; Engines with such fluid dynamic bearing systems; as well as hard disk drives and fans with such motors. |