1·Komatsu rotary reducer, slewing ring, rotary motor, engine four supporting etc pure accessories.
小松回转减速箱、回转支承、回转马达、发动机四配套等纯正配件。
2·Slewing ring bearings to withstand a large-scale integrated load bearing support, which can bear a greater axial load, radial load and tipping moment.
回转支承轴承是一种能够承受综合负荷的大型支承轴承，可同时承受较大的轴向负荷、径向负荷和倾翻力矩。