Worm Reduction Gearbox
ModelSeries RV
Center Distance25-150mm
Speed Ratio≥ 7.5
Torque rangeT2 ≤ 15000 N.m
CharacteristicWorm gear design

Series NMRV : Worm Reduction Gearbox

SGR worm reduction gearbox (series NMRV) is popular for its flexibility, adaptability and efficiency. Whether you need a single stage (nmrv030, nmrv040, nmrv050, nmrv063, etc.) or double stage worm reduction gearbox; we have a perfect solution for your unique application. Moreover, our modular designs make it possible to customize every worm gearbox.

In our worm gear reduction gearbox manufacturing process, we maintain high quality production process that conforms to the DNV-ISO 9001:2008, SGS and CE. This guarantees optimal performance.

All our work wheel gearboxes come with input shaft, torque arm, dual output shaft and output flange, amongst other accessories.

Every SGR worm gear speed reducer operates at a driving power between 0.18 Kw to 15 Kw. Also, they can attain a maximum torque of 1.550 Nm with a radial load of 18,000 N.

Our SGR worm reduction gearbox has a die cast aluminum and over 130 in G200 gray cast iron casing. They are also available in compact integral helical or worm option.

These worm gear drives guarantee smooth operation, free maintenance, longer service lifespan and low noise operation. Moreover, they are lightweight, equipped with synthetic oil and easy to mount.

For more information, you can download our product catalogue.

Key Features
  • High efficiency
  • Multi-tooth meshed
  • Bigger peak load
  • Low noise
  • Smooth operation
worm gearbox inner structure
SGR ModelShaftDia.(mm)Center HeightOutput Flange Dia.PowerRatioPermitted TorqueWeight
Solid(h6)Hollow(h7)(mm)(mm)(kw)(Nm)(KGS)
RV30141440800.09~0.37.5~100221.5
RV401918/19501100.12~0.57.5~100552.5
RV502525601250.18~0.77.5~1001204
RV632525721800.37~1.57.5~1001756
RV752828862000.55~37.5~1002809
RV9035351032100.75~47.5~10042513.5
RV1104242127.52701.1~5.57.5~10058543
RV1304545147.53201.5~7.57.5~10085067
RV15050501703202.2~157.5~1001500100
Remark: the weight is for basic model, without oil and motor