PF 080 L1-5-P2-S2 gearbox, the output shaft diameter is 19mm. It is used for 80mm, 110mm AC servo motor, input diameter is 19mm.Gearbox DrawingGearbox Output TypeGearbox Performance ParametersProduct: PF 080 L1-5-P2-S2 gearbox for 80mm, 110mm servo motorOutput shaft diameter: 19mmInput diameter: 19mmApplication: For 80mm, 110mm AC servo motorsCategory: Precision planetary gearbox, PF series