| 摘要 |
<p>The invention relates to a lower axial bearing integrated into the resistance structure of freight wagon Y 25 bogies and of the families thereof. According to the invention, the axial bearing consists of a one-piece structure of cast or forged steel which includes a spherical surface (1), a central boring (2), an external circular collar (3), a rectangular base plate (4) and two bosses (8) embedded within the structure of a central cross-member (6) of the frame of a bogie (7).</p> |
