Quick Details

Place of Origin:

Zhejiang, China

Brand Name:


Model Number:


Rated Power:


Gearing Arrangement:


Output Torque:


Input Speed:


Output Speed:


Toothed Portion Shape:

Involute gear

Manufacturing method of worm wheelMethod:

Cast wrom wheel


Silver or Blue

Material of Housing:

Aluminium Alloy

Mount Position:

Foot Mounted, Flange Mounted

Extra Service:

OEM Welcome!!!

Supply Ability

Supply Ability:
6000 Set/Sets per Month

Packaging & Delivery

Packaging Details
Carton Inside, Wooden Case Outside. Around 3pcs-300pcs for each Cubic according difference gearbox.
Shanghai Port, Ningbo Port
Lead Time
7-15 Workdays

Online Customization

NMRV Aluminum alloy worm gearbox,small speed reducer gearbox,manual worm gearbox

Company Information

Companyname: Hangzhou NaYuan Transmission Machinery Co., Ltd

Address:Dengta Village, Yipeng Town, Xiaoshan District, Hangzhou City, Zhejiang Province, China.


We are a professional manufacturer of NMRV Aluminum alloy worm gearbox,small speed reducer gearbox,manual worm gearbox , passed the certificate ofISO9001quality management system. All the products have the approval ofSGS.

"NaYuan" as a famous brand in Hangzhou China, exports its products to more than 10 countries and regions, including Southeast Asia, Europe, Australia, Africa, Middle East, America, etc.

We deeply appreciate all our friends and hope to make further cooperation.

Our Services

Our Characteristics: extensive experience with OEM, more than 3 year’s skilled worker.

DeliveryTime: 7-15 workdays after receive 30% deposit.

24-hour self-service center




Structure Features

1. Made of high quality aluminum alloy, light in weight and non-rusting

2. Large in output torque

3. Smooth in running and low in noise, can work long time in dreadful conditions

4. High in radiating efficiency

5. Good looking in appearance, durable in service life and small in volume

6. Suitable for Omnibearing installation

Gearbox Materials

1. Housing: die-cast aluminum alloy (Housing size: 025-090); cast iron (Housing size: 110-150)

2. Shaft: 20Cr, carbonize and quencher heat treatment make the hardness of gear tooth surface up to 56-62 HRC, retain carburization layer’s thickness between 0.3-0.5mm after precise grinding

3. Worm Wheel: Wearable bronze alloy

Surface Painting

For Aluminum Alloy Housing:

1. Shot blasting and special antiseptic treatment on the aluminum alloy surface of NMRV Aluminum alloy worm gearbox,small speed reducer gearbox,manual worm gearbox.

2. After phosphating, paint with blue or sliver.

For Cast Iron Housing:

Before paint with blue or sliver, need paint with red antirust pain first.

How To Order

1. Please confirm Gearbox Type and Ratio;

2. Standard packing is wooden case;

3. Shipment: By sea, by air or others, depend on you;

Our Superiority

1.Delivery on Time;

2. Professional Service: Customized is our advantage;

3.Good Quality: ISO 9001 Certificated;

4. Fast and Low Cost Deliver: Long-term cooperated shipping forwarders;

Before Transfer

1. Checking Oil leakage by Leak Tester

2. Checking Overheating & Noise

Our main products are gearbox, reducer, gear, worm, worm gearbox, worm reducer, speed gearbox, transmission, drive part, motor, coupling, planetary gearboxes, helical gearboxes, Sprockets Gears and Racks, variators, Timing Belt Pulleys and v pulleys and sheaves, shaft collars and motor bases, Chains and Belts, shaft and agricultural gearboxes, Bushes and Hubs Couplings, screw jacks and housing. Kindly, if you need Gearbox, please send us the Model, Ratio and Quantity. Then I will give you the best offer.

NMRV90 Dimensions


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