DC Motor L-7899 Series Outline Parameter: Diameter: 78mm; Round Length: 89mm. Technical Parameter: MODEL VOLTAGENO LOADAT MAXIMUM EFFICIENCYSTALLSPEEDCURRENTSPEEDCURRENTTORQUEOUTPUTEFFICIENCYTORQUECURRENTV DCRPMARPMAmN.mW%mN.mAL7899-A2445001.234508.52400141.5469.2160030.48L7899-A11248002.5390018.2382152.8070.0125053.87