The TDO configuration (fig 1); bearings of the TDO configuration have one double row outer ring (cup) and two inner rings with roller and cage assembly (cones).

• TDO配置(图1);TDO配置的轴承有一个双列外圈(圆锥外圈)和两个带滚子与保持架组件的内圈(圆锥内圈),以及。