Nmrv Worm Speed Reducer Transmission Gearboxes Agricultural Gear Box Industrial Transmission Gear Drive Motor Reducer Worm Gearbox
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Product Highlights
- Diverse Material Options: Aluminum alloy housing for RV25-105, Cast iron for RV110-150.
- Wide Speed Ratio Range: Available ratios from 5 to 100, 1/100 to 1/5000 for high reduction.
- High Overload Capacity: Designed for heavy-duty industrial applications with stable transmission.
- Compact and Lightweight: Compact structure saves mounting space with small size and light weight.
- Reverse Operation Capability: Runs forward and backward smoothly with reduced vibration and noise.
- High Precision Hardened Teeth: Hardened tooth surface with carburizing and quenching for durability.
- ISO9001 Quality Certified: Every product tested before packing with 1-year quality guarantee.
- Flexible Customization: Full customization available from samples, designs, or specific drawings.
Product Attributes
- Customization
- Available
- Application
- Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery
- Function
- Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
- Model NO.
- NMRV 25 30 40 50 60 75 90 110 130 150
- Layout
- Right Angle
- Hardness
- Hardened Tooth Surface
- Installation
- Horizontal Type
- Step
- Double-Step
- Type
- Worm Gear Box
- Output Torque
- 691-12124(N.M)
- Output Speed
- 14.4-192rpm
- Input Speed
- 1440rpm
- Transport Package
- Standard Sea Worthy Package
- Trademark
- MW
- Origin
- China
- Production Capacity
- 1000PCS/Week
- Package Size
- 40.00cm * 30.00cm * 20.00cm
- Package Gross Weight
- 10.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Nmrv Worm Speed Reducer Transmission Gearboxes Agricultural Gear Box Industrial Transmission Gear Drive Motor Reducer Worm Gearbox
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Product Description
1) Aluminum alloy die-casted gearbox
2) Compact structure saves mounting space
3) Highly accurate
4) Runs forward and backward
5) High overload capacity
6) Stable transmission with reduced vibration and noise
2. High efficiency.
3. Small size, compact constructure and light weight.
4. Combination of two single-step worm gear speed reducers, meeting the requirements of super speed ratio.
2. Output torque: 7.8-1195N.m
3. Speed ratio: (5-100) 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
4. Adapt for IEC, NEMA, SERVO
Materials:
1. From RV25 up to RV105: Aluminium alloy housing.
2. From RV110 to RV150: Cast iron housing.
3. Seal: NAK Seal from TAIWAN
4. Bearing :homemade Bearing
Color:
1. RAL5010
2. Blue
3. Silver
Quality control:
1.Quality guarantee: 1 year
2.Certificate of quality: ISO9001:2008
3.Every product must be tested before packing
Material:housing -casting iron- HT200-250#/aluminum worm gear-KK alloy worm-20CrMnTi with carburizing and quenching,surface hardness is 58-62HRC shaft-chromium steel-45#
Packing: Inner pack: use plastic bag a Inner pack: use plastic bag and foam box, outer pack: carton or wooden case 1set/bag/carton or based on customer's requestbearing: NSK & Homemade bearing
Seal: NAK seal from TAIWAN
Input power: 0.25kw,0.37kw,0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw
Lubricant:Synthetic & Mineral
IEC flange:56B5,63B5,71B5,80B5,90B5,100B5,112B5,132B5
Output form: solid shaft,hollow shaft weight: 0.7-87.8KGSapplication: In industrial machine:food Stuff,ceramics,chemical,packing,printing,dyeing,woodworking,glass and plastics
Warranty:1 year
Most of our OEM customers usually send their drawings, if you have special request, send us your drawing or send us sample it is also OK.
| NMRV | Worm geared motor | ||
| NRV | Worm reduction unit | ||
| 050 | Size | ||
| FA | Output flange | ||
| 30 | Reduction ratio | D or S | Output flange mounting position |
| PAM | Fitted for motor coupling | ||
| 200 | Motor flange diameter | 19 | Drive shaft diameter |
| VS | Double input shaft | AS | Single output shaft |
| Ab | Fouble output shaft | B3 | Mounting position |
| 0.75KW | Electric motor power | 4P | Electric motor polarity |
| 230/400V | Electriv motor voltage | 50HZ | Electric motor frequency |
Input size general schedules
| NMRV | Mounting Spec. | Dm | ||||||||||||||||
| PAM-IEC | N | M | P | bm | tm | |||||||||||||
| 25 | 56B14 | 50 | 65 | 80 | 3 | 10.4 | − | − | − | 9 | 9 | 9 | 9 | 9 | 9 | 9 | - | - |
| 30 | 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | - | - | - |
| 63B14 | 60 | 75 | 90 | 4 | 12.8 | |||||||||||||
| 56B5 | 80 | 100 | 120 | 3 | 10.4 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | - | |
| 56B14 | 50 | 65 | 80 | 3 | 10.4 | |||||||||||||
| 40 | 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | - | - | - | - |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | ||
| 63B14 | 60 | 75 | 90 | 4 | 12.8 | |||||||||||||
| 56B5 | 00 | 100 | 120 | 3 | 10.4 | - | - | - | - | - | - | - | - | 9 | 9 | 9 | 9 | |
| 50 | 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | - | - | - | - | - |
| 80B14 | 00 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | - | |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | - | - | - | - | - | - | - | 11 | 11 | 11 | 11 | 11 | |
| 63 | 90B5 | 130 | 165 | 200 | 8 | 27.3 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | - | - | - | - | - |
| 90B14 | 95 | 115 | 140 | 8 | 27.3 | |||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | - | - | |
| 80B14 | 80 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | - | - | - | - | - | - | - | 14 | 14 | 14 | 14 | 14 | |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 75 | 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | - | 28 | 28 | 28 | - | - | - | - | - | - | - | - |
| 100/112B14 | 110 | 130 | 160 | 8 | 31.3 | |||||||||||||
| 90B5 | 130 | 165 | 200 | 8 | 27.3 | - | 24 | 24 | 24 | 24 | 24 | 24 | 24 | - | - | - | - | |
| 90B14 | 95 | 115 | 140 | 8 | 27.3 | |||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | - | - | - | - | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | |
| 80B14 | 80 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | - | - | - | - | - | - | - | - | - | 14 | 14 | 14 | |
| NMRV | Mounting Spec. | Dm | ||||||||||||||||
| PAM-IEC | N | M | P | bm | tm | |||||||||||||
| 25 | 56B14 | 50 | 65 | 80 | 3 | 10.4 | − | − | − | 9 | 9 | 9 | 9 | 9 | 9 | 9 | - | - |
| 30 | 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | - | - | - |
| 63B14 | 60 | 75 | 90 | 4 | 12.8 | |||||||||||||
| 56B5 | 80 | 100 | 120 | 3 | 10.4 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | - | |
| 56B14 | 50 | 65 | 80 | 3 | 10.4 | |||||||||||||
| 40 | 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | - | - | - | - |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | ||
| 63B14 | 60 | 75 | 90 | 4 | 12.8 | |||||||||||||
| 56B5 | 00 | 100 | 120 | 3 | 10.4 | - | - | - | - | - | - | - | - | 9 | 9 | 9 | 9 | |
| 50 | 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | - | - | - | - | - |
| 80B14 | 00 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | - | |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 63B5 | 95 | 115 | 140 | 4 | 12.8 | - | - | - | - | - | - | - | 11 | 11 | 11 | 11 | 11 | |
| 63 | 90B5 | 130 | 165 | 200 | 8 | 27.3 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | - | - | - | - | - |
| 90B14 | 95 | 115 | 140 | 8 | 27.3 | |||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | - | - | |
| 80B14 | 80 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | - | - | - | - | - | - | - | 14 | 14 | 14 | 14 | 14 | |
| 71B14 | 70 | 85 | 105 | 5 | 16.3 | |||||||||||||
| 75 | 100/112B5 | 180 | 215 | 250 | 8 | 31.3 | - | 28 | 28 | 28 | - | - | - | - | - | - | - | - |
| 100/112B14 | 110 | 130 | 160 | 8 | 31.3 | |||||||||||||
| 90B5 | 130 | 165 | 200 | 8 | 27.3 | - | 24 | 24 | 24 | 24 | 24 | 24 | 24 | - | - | - | - | |
| 90B14 | 95 | 115 | 140 | 8 | 27.3 | |||||||||||||
| 80B5 | 130 | 165 | 200 | 6 | 21.8 | - | - | - | - | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | |
| 80B14 | 80 | 100 | 120 | 6 | 21.8 | |||||||||||||
| 71B5 | 110 | 130 | 160 | 5 | 16.3 | - | - | - | - | - | - | - | - | - | 14 | 14 | 14 | |










As a professional manufacturer of power transmission equipment, we provide high-performance worm gearboxes tailored for industrial automation, material handling, and mechanical drive systems. Our products integrate advanced design concepts with strict quality control, meeting international standards such as ISO, CE, and RoHS to serve global customers.
→→→Most of our OEM customers usually send their drawings,if you have special request,send us your drawing or send us sample it is also OK!
Our worm gearboxes are widely used in global industrial fields, with typical application cases including:Material Handling: Conveyor systems, stackers, and forklift lifting mechanisms.
Packaging Machinery: Bottle capping machines, labeling machines, and film wrapping equipment.
Elevators & Lifts: Residential elevators, cargo lifts, and scissor lifts.
Automotive Industry: Steering systems, window regulators, and seat adjustment mechanisms.
Renewable Energy: Solar tracker drives and small wind turbine speed reducers.
Ocean have extensive experience in serving customers from various regions, with our products being well-received in the American, European, South American, and Asian markets. Manufactured using modern computerized machinery, our products meet international quality standards and are designed for optimal performance.
With a focus on competitive pricing, timely delivery, responsive customer service, and comprehensive after-sales support, Ocean ensure customer satisfaction at every step. Our production processes adhere to ISO9001 standards, and Ocean are capable of designing and manufacturing non-standard products to meet specific customer requirements.
Quality and credibility are at the core of our business philosophy, and Ocean are committed to providing the best services and top-notch products to our customers. For more information or samples, please reach out to us, and Ocean guarantee a prompt response.
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.
Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.
Q5. If you can't find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we'll check.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR253703". Items marked "" are certified.
Company Profile
Zhejiang Ocean Industry Co., Ltd. is a specialized Manufacturer of a full range of chains, sprockets, gear, gear rack, pulley, taper bush, shaft, gearbox, worm gear speed reducer, helical gear speed reducer, worm helical gear speed reducer, speed variator, cycle-drive gearboxes, couplings, door/gate parts and so on.
Due to our sincerity in dealing with clients, understanding of their needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers' worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, these are manufactured according to high quality standards, and complying with the international advanced standard criteria.
With many years' experience in this line, we will trust by our advantages in competitive pricing, on-time delivery, prompt responses, on-hand engineering support and good after-sales services. Additionally, all our production procedures are in compliance with ISO9002 standards. We also can design and make non-standard products to meet customers'special requirement.
Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.
Thank you for your visiting.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Block 2, Qianjiang Century Industrial Park, 2327 Hongning Road, Ningwei Town, Hangzhou, Zhejiang, China
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 10
Our Production Capability & Technical Expertise
- Main Products
- Gear, Gear Rack, Pulley, Chain, Sprocket, Coupling, Gearbox, Pinion, Speed Reducer, Speed Reducer Gear Box
-
Production Lines
- 20
-
Production Machines
- Broaching Machine, gantry milling machine, Horizontal machining center, Drilling Machine, Gear Teeth Machine, Vertical Machining Center
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2005-05-16
-
Export Year
- 20 years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Australia
-
Repeat Buyers Choice
- 80%~100%
-
Annual Export Revenue
- 4,617,000 USD
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
FAQ
- Are you a trading company or manufacturer?
- We are factory.
- How long is your delivery time and shipment?
- 1.Sample Lead-times: generally 10 workdays. 2.Production Lead-times: 20-40 workdays after getting your deposit.
- What is your terms of payment?
- T/T 30% as deposit, and 70% before delivery.
- What is your advantages?
- 1. Manufacturer,the most competitive price and good quality. 2. Perfect technical engineers give you the best support. 3. OEM is available. 4. Rich stock and quick delivery.
- If you can't find the product on our website,what do you next?
- Please send us inquiry with product pictures and drawings by email or other ways and we'll check.
Send your message to this supplier
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Product Groups
- Chain(Auto, Industrial, Agricultural)
- Sprocket (Auto and Industrial)
- Timing Pulley and Belt
- Gearbox
- Gear and Gear Rack
- V Pulley and Taper Bush
- Conveyor Line Parts(Drop Forged Chain, Trolley, Scraper)
- Coupling
- Agricultural Machinery Accessories
- Transmission Spare Parts, Clutch and Brake
- Motorcycle Chain and sprocket
- Motorcycle Spare Parts
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