Fan accessories bearing seatφ139*21
风机轮毂内部件,安装七系和六系轴承,与轴承托盘组合成导向轴承组件；安装五系轴承和滚珠,与叶柄螺母组合成支撑轴承组件.
The inner parts of the fan hub are equipped with 7 series and 6 series bearings, which are combined with the bearing tray to form a guide bearing assembly; Install the five-series bearings and balls, which are combined with the petiole nut to form a support bearing assembly.
