GB/T21972.3-2013b)电动机轴伸键的尺寸及公差应符合表6的规定；表6轴伸键的尺寸及公差单位为毫米轴伸直径D键宽F键高GD288a.09c70.e32100.68-.384855148we90e60160.0n10_&.09e657018_4a11-n8520-0.212-81095220.225-4.o148w11013028-0.16-a1m)电动机轴伸长度一半处的径向圆跳动公差应不大于表7的规定；表7径向圆跳动公差单位为毫米轴伸直径D径向圆跳动公差18300.0430-500.0550-800.0680-1200.07120-1300.08d)凸缘止口对电动机轴线的径向圆跳动公差及凸缘配合面对电动机轴线的端面圆跳动公差应不大于表8的规定；表8径向及端面圆跳动公差单位为毫米凸缘代号径向及端面圆跳动公差FF215-FF2650.100FF300FF5000.125FF6000.1607
