basin Angle tooth
17 teeth. 18 teeth spline shaft
17 teeth. 21 tooth involute spline shaft
17齿内花键轴套
18齿细花键接手总成19x44.20x50
18齿细花键凸缘
19x44.20x50.20x55.20x57.22x55花建叉
19x44.20x50.20x55.22x55实心叉
19x44.20x50.20x55花键叉轴
20*50