NMRV 63 Gearbox is one size of worm gearbox NMRV series, the distance from worm shaft to worm gear center is 63mm.
It has advanced small square house with high quality Aluminum alloy. Light weight, high strength, big output torque, smooth transmission, and lower noise, those are its advantages.

It has several types, NMRV63, NRV63, NMRV63FA, NMRV63FB, NMRV63VS, NMRV63 for servo motor etc.


Mainly materials
|
House/Flange |
Aluminum alloy, Casting iron, Stainless steel |
|
Worm shaft |
20CrMnTi, Stainless steel |
|
Worm gear |
Tin bronze, Aluminum bronze |
|
Oil |
Synthetic oil, Mineral oil |
General technical date
|
Size |
63 |
|
Speed ratio |
5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
|
Motor power |
0.25-1.5KW |
|
Output torque |
56-166N.m |
|
Input flange |
71B5/B14, 80B5/B14, 90B5/B14 |
|
Customized |
Output shaft, output flange, special mounting position |
You can choose right items according to below motor flange sizes.


Mainly dimensions




Our advantages
- Factory founded in 2006, with extensive experience in production and manufacturing.
- 10,000 square meters standard workshop and over 40 sets production and testing equipment, not only CNC lathes, grinding machines, milling machines, gear hobbing machines, Coordinate Measuring Machining, foundry workshop and assembly lines.
- With technology department and quality department, providing OEM service, based on ISO standard management.
- Exporting to more than 66 countries and regions, widely used for range of industries, including steel industry, metallurgy industry, textile machinery, printing machinery, woodworking machinery, chemical industry, lifting equipment, logistics and conveying equipment, agriculture and packaging equipment etc.
FAQ
Q: Do you have casting iron house for NMRV63?
A: Yes, we have, but the price will be higher than general Aluminum models.
Q: Do you have output flange for NMRV63?
A: Yes, we have output flange FA or FB sizes, and output shaft.
Q: How can we choose the models?
A: According to the output speed, output torque, mounting position, and working conditions.
Q: What's your production time?
A: Our standard models are typically shipped within a swift 15–30 days, while customized units are meticulously crafted and dispatched in about 30–45 days.
Q: Can I get 3D and 2D drawings?
A: Of course you can, we have standard drawings. In addition, the input size of the gearbox can be customized according to different motors. We will manufacture different drawings according to your demands.
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