Product Description Product Description Model No.: NMRV/NRV571, 030, 040, 050, 063, 075, 090, 110, 130,150Reduction gear, worm gear, gear reducer Reduction gear Features: 1) High quality aluminum alloy die cast gearbox 2) High accuracy worm gear and worm shaft 3) Less... Product Description Product DescriptionMain Materials:1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision... Product Description Product DescriptionMain Materials:1)housing:aluminium alloy ADC12(size 571-090); die cast iron HT200(size 110-150);2)Worm:20Cr, ZI Involute profile; carbonize&quencher heat treatment make gear surface hardness up to 56-62 HRC; After precision... Product Description Wp Right Angle 90 Degree Cast Iron Reduction Speed Gearbox Worm Reducer Wpa Wpo Wps Wpx Worm Motor Unit Gear Box Features 1. Compact structure and simple assembly;2. Wide speed ranges and high torque;3. Low noise, good sealing performance, high... Product Description PROFESSIONAL MANUFACTURE– SINCE 1995Nmrv High Quality Worm Gear Speed ReducerGearboxes with electric motorChinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy,... 