| 摘要 |
<p>To structurally simplify a conventional spindle bearing device, the present invention provides a spindle step unit (1) of a spindle bearing device (2) for installing a spindle, including a spindle axial bearing element (11) for axially installing the spindle and a spindle radial bearing element (12) for radially installing the spindle, wherein the spindle axial bearing element (11) and the spindle radial bearing element (12) are held in a common bearing bush element (10), and the common bearing bush element (10) is arranged to be installed, in both axial and radial direction, in a housing sleeve (3) of the spindle bearing device (2) by using at least one selected from axial-radial supporting elements (22A, 22B) configured elastically as an element.</p> |
