nmrv 50 flange mounted worm reduction gearbox with electric motor

NMRV 50 flange mounted worm reduction

Quick Details

Gearing Arrangement: Worm
Output Torque: 2~3,022 N.m
Rated Power: 0.04~15 KW
Input Speed: 2800rpm 1400r/min
Output Speed: 0.3~419 r/min
Product name: NMRV 50 flange mounted worm gearbox with electric motor
RV: aluminum alloy boxes
RV75~RV90: aluminum alloy boxes or cast iron boxes
Material of housing: cast iron boxes
quality: super
heat treatment: Carburising/quenching/gear grinding
material: Steel or cast iron
gear material: low carbon high alloy steel


-High quality die casting aluminum alloy housing, suitable for universal mounting.
- Heat sink design for cooling provides great surface area and higher thermal capacity than the casting iron housings.
- 8 sizes from 030 to 130, with power scope rom 7.5w to 60kw.
- Larger speed ratio range. each single frame size has 12 ratios from 5:1 to 100:1.
- Hardened worm with fine grinding has the features of higher efficiency and big output torque.
- Low noise and stably running, can adapt long term work condition in terrible environments.
- Light weight, high mechanical strength.


Produce processing

1. Niles forming gear grinding machine imported from Germany
2. OKUMA horizontal machining center imported from Japan
3. Gear measuring center and three coordinate measuring instrument
4. Gear inspection and test center.



ModelRatioNominal Power (KW)Nominal Torque(N.m)
RV2510/15/20/25/30/40/50/600.08-0.58    2-3022
RV307.5/10/15/20/25/30/40/50/60/80/1000.05-0.41    2-3022
RV407.5/10/15/20/25/30/40/50/60/80/1000.09-0.9    2-3022
RV507.5/10/15/20/25/30/40/50/60/80/1000.16-1.6    2-3022
RV637.5/10/15/20/25/30/40/50/60/80/1000.34-2.8    2-3022
RV757.5/10/15/20/25/30/40/50/60/80/1000.48-4.1    2-3022
RV907.5/10/15/20/25/30/40/50/60/80/1000.67-6.3    2-3022
RV1107.5/10/15/20/25/30/40/50/60/80/1001.1-12    2-3022
RV1307.5/10/15/20/25/30/40/50/60/80/1001.7-16.1    2-3022
RV1507.5/10/15/20/25/30/40/50/60/80/1000.30-419    2-3022


About us

1. Covers an area of 800,000 square meters,with more than 2,500 staffs
2. Annual year production ability is 1,000,000 sets
3. 20 year export experience all over the world
4. Professional engineer can help you to choose the best machine and give you the technical suport
5. Own complete quality, environment, occupation health safety management system certification and also a large number of domestic and foreign advanced equipment and detection equipment
6. Perfect management system, sophisticated equipment, high-quality workforce, coupled with nearly 100 sales companies all around the domestic to implement fast network service and great meet customer demand.



Q1: Are you a manufacturer or trading company?
A1: A company integrated with industry and trade.

Q2: What about the shipping methods?
A2: For urgent order and light weight, you can choose the following express: UPS, FedEx, TNT,DHL, EMS. For heavy weight, you can choose to deliver the goods by air or by sea to save cost.

Q3: What about the payment methods?
A3: We accept T/T, L/C for big amount, and for small amount, you can pay us by PayPal, Western Union, Money gram, Escrow and etc.

Q4: How much does it cost to ship to my country?
A4: It depends on seasons. Fee is different in different seasons. You can consult us at all times.

Q5: What’s your delivery time?
A5: Usually we produce within 25-30days after the payment confirmed.

Q6: Can I print our logo/barcode/unique QR code/series number on your gearbox/electric motor?
A6: Yes, of course.

Q7: Can I order some sample for our testing?
A7: Yes, but it needs some expense.

Q8: Can you customize my product in special shape?
A8: Yes, we can offer OEM.

Q9: How can you make sure we will receive the product with high quality?
A9: Our QC team will inspect each batch of gearbox/ electric motor before delivery and all the raw material we use aluminum and steel