speed box NMRV040 Nema34 Worm Gearbox, 5:1/10:1/15:1/20:1/50 To 1-100:1 Ratio Speed Reducer, 14mm Input 18mm Shaft for 86mm Stepper Motor reducer gearhead ( Size : Ratio 7.5 to 1 , Color : Single Outp

Package listing: 1* RV040 Worm Gearbox1* 18mm Single/Dual Output Shaft (Send output shaft according to your choice) Technical parameters:Model: NM RV040 Input shaft: 14mm Output shaft: 18mm (6mm key) Speed ratio: 5:1, 7.5:1, 10:1, 15:1, 20:1, 25:1, 40:1, 50:1, 60:1, 80:1,100:1Input flange size: 86*86mmWorm wheel material: Nodular cast iron and bronze Worm shaft material: 20Cr steel Surface hardness: 56-62HRC, carbonized layer 0.3-0.5mm Housing: Aluminum with oven painting Color: Silver Backlash: About 100Arcmin

• Model: NM RV040
• Input shaft: 14mm
• Output shaft: 18mm (6mm key)
• Low friction motor, low operating noise , easy operation.
• High transmission efficiency, wide speed range, high precision.