NMRV 75 Gearbox is one size of worm gearbox NMRV series, the distance from worm shaft to worm gear center is 75mm.
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, NMRV75, NRV75, NMRV75FA, NMRV75FB, NMRV75VS, NMRV75 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 |
75 |
|
Speed ratio |
5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
|
Motor power |
0.55-4KW |
|
Output torque |
108-269N.m |
|
Input flange |
80B5/B14, 90B5/B14, 100/112B5/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: What's the material of your worm gear?
A: We use high quality tin bronze or aluminum bronze with QT500 wheel core worm gear.
Q: About your package?
A: We generally use high strength brown carton for one piece reducer, and packing all within wooden box, we also accept OEM package.
Q: About your price?
A: Our price is very competitive, and can be negotiable according to your specifications and quantity.
Q: What's your delivery time?
A: We have enough stock of parts, generally is 30 days.
Q: How do I place an order?
A: Simply reach out to us via email or phone to receive a personalized quote. Once you're ready, confirm your purchase with a Purchase Order (PO).
Q: What documents do you provide for export?
A: We provide Commercial Invoice, Packing List, Detail packing list, Bill of Lading, and CO.
Hot Tags: nmrv 75 gearbox, China nmrv 75 gearbox manufacturers, suppliers, factory, Double Worm Gearbox, Motor Reducer NMRV, Nmrv Reducer, NMRV Worm Gear Reducer, Right Angle Worm Drive Gearbox, Right Angle Worm Gear Reducer