铁路车辆用滚动轴承代替滑动轴承是一项重大技术改造,它可以减少燃轴事故,保障行车安全,提高运行速度,加速车辆周转,适应内燃电力机车牵引,具有优越的技术经济效果。 我国目前已有半数以上的客车应用了滚动轴承,并开始在货车上运用滚动轴承。随着铁路内燃电气化的发展,预计到第五个五 Rolling instead of plain bearings for railway vehicles is a major technological innovation. It can reduce the fire shaft accidents, ensure traffic safety, speed up the operation, speed up the vehicle turnover, and adapt to traction of diesel locomotives. It has excellent technical and economic effects. At present, more than half of the passenger cars in our country have used rolling bearings and started to use rolling bearings on trucks. With the development of railway internal combustion electrification, it is estimated that the fifth five