planetary reduction gearbox Outline dimension:40,60,80,120,160mm Ratio:3-512 Noise:<65dB(A) customized products planetary worm reduction gearboxFeatures: ... Figure diameters 40,60,80,120,160mm.more options.Planetary gearbox:PLE:Precision planetary-round flange outputPLF:Precision planetary-square flange ... of Chinese standard of micro motorOur Certification:Our factory: planetary worm reduction gearbox