Type: RV Series Worm Gear Box
Model: NMRV030, 040, 050, 063, 075, 090, 110, 130
Ratio: 1:5, 7.5,10,15,20,25,30,40,50,60,80,100
Color: Blue/silver/green or on customer’s request
Material: Housing-aluminum with oven painting for RV030-090 gear box, cast iron for RV110 and 130 gear box.
Worm Whele-ZQAl9-4-4-2
Worm Shaft- 20Cr steel.The hardness of surface is 56-62HRC with carbonized layer 0.3-0.5mm
Bearing: QC, SKF, NSK
Oil Seal: CTY, NAK