NMRV Worm Gearbox

NMRV Worm Gearbox

Rated Power:0.06KW~15KW
Rated Torque:1.8~1760N.m
Rated Ratio:5~100
Gear Arrangement:Worm Wheel & Worm Shaft
Housing:Aluminum Alloy or Cast Iron
Shafts Position:Right Angle

Hollow Shaft Input with IEC-normalized Motor Flange
Solid Shaft Input

Housing: Die-cast Aluminum Alloy Gearbox (NMRV025~NMRV090)
Cast Iron Gearbox (NMRV110~NMRV150)
Worm Wheel: Wearable Tin (Stannum) Bronze Alloy, Aluminum Bronze Alloy
Worm Shaft: 20Cr Steel, carburizing, quenching, grinding, surface hardness 56-62HRC, 0.3-0.5mm remaining carburized layer after precise grinding
Input Configurations:
Equipped with Electric Motors (AC Motor, Brake Motor, DC Motor, Servo Motor)
IEC B5/B14 Motor Flange
NEMA C Frame Motor Flange
Solid Shaft Input
Output Configurations:
Keyed Hollow Shaft Output
Hollow Shaft with Output Flange
Plug-in Solid Shaft Output


1. Quality aluminum alloy gear box, light weight and not rust
2. 2 optional worm wheel materials: Tin (Stannum) bronze or aluminum bronze alloy
3. Standard parts and very flexible for shaft configurations and motor flange interface
4. Several optional mounting options
5. Low noise, High efficiency in heat dissipation