| 摘要 |
A truck bolster of a freight car containing an upper belt with a thrust bearing with a flat bearing surface and a thrust circular clamp, with technological holes and flat bearing platforms for sliders with mounting holes, a lower belt, vertical side walls. The lower belt is made with a bearing surface on truck springs, which passes into an inclined belt, in the area of a bearing on the springs in the center a ridge is made connecting the upper and lower belts. |
