WPF 040 L2 -25-P2-S2 gearbox, the output shaft diameter is 8mm. It is used for 40mm AC servo motor, input diameter is 8mm.Gearbox DrawingGearbox Output TypeGearbox Performance ParametersProduct: WPF 040 L2 -25-P2-S2 gearbox for 40mm Servo motorOutput shaft diameter: 8mmInput diameter: 8mmApplication: 40mm AC servo motorCategory: Precision planetary gearbox, WPF series gearboxTags: gearbox, planetary reducer, servo motor and driver, WPF 040 L2 -25-P2-S2 gearbox for 40mm Servo motorTechnical Specifications / FeaturesGearbox type: PlanetarySeries: WPFModel: 040 L2 -25-P2-S2Compatible motor size: 40mm AC servo motorOutput shaft diameter: 8mmInput diameter: 8mm