With greater axial and radial load rating capacity, good replaceability of components. The shaft can be adjusted through external hexogan then to adjust the axial part dimension.

轴径向和轴向的载能力都比较大，各件替换强。轴调节偏心外六角来调整芯轴位置进而达到调整侧滚轮轴向尺寸的目的。