WPF 115 L2 -25-P2-S2 gearbox, the output shaft diameter is 24mm. It is used for 130mm AC servo motor, input diameter is 24mm.Gearbox DrawingGearbox Output TypeGearbox Performance ParametersProduct: WPF 115 L2 -25-P2-S2 gearbox for 130mm Servo motorOutput shaft diameter: 24mmInput diameter: 24mmApplication: 130mm AC servo motor