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Nmrv075 Worm Gearbox High Efficiency Reducer for Optimal Performance
US$30.00-45.00
1 Piece
Product profile
Customization
AvailableApplication
IndustrialSpeed
Low SpeedModel NO.
NMRV075Number of Stator
Three-PhaseFunction
DrivingCasing Protection
Open TypeNumber of Poles
2Starting Mode
Variable Frequency StartingBrand
Derry MotorDelivery Time
10-20daysTransport Package
Standard Export CartonSpecification
CETrademark
Derry motorOrigin
Made in ChinaHS Code
8501310000Production Capacity
Per Month 3000PCSKey features
High Efficiency Design: Hardened worm with fine grinding ensures higher efficiency and big output torque.
Superior Cooling System: Heat sink design provides great surface area and higher thermal capacity than cast iron.
Durable Aluminum Housing: High quality die casting aluminum alloy housing suitable for universal mounting.
Wide Speed Ratio Range: Each frame size offers 12 ratios from 5:1 to 100:1 for versatile applications.
Modular Combination Option: PCRW&DRW extension extends ratio range from i=5:1 to 3200:1.
Low Noise Operation: Stable running performance adapts to long-term work in terrible environments.
Lightweight & Strong: Features light weight combined with high mechanical strength.
Customization Available: Motor specs and shaft length can be tailor-made according to customer requirements.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2018-10-09 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryNingbo Derry E&M Tech Co., Ltd. is a China-based limited company established in 2017 and located in Ningbo, Zhejiang. It operates in motor and gear-motor products, with stated production of DC and AC motors, five production lines, 130 employees, and export activity since 2018. The supplier reports ISO9001, IATF16949, ISO14001, RoHS, and CE credentials, with some products UL approved. It states that it provides R&D and customization services, has 18 years of total R&D-engineer experience, and serves domestic and multiple overseas markets. Evidence is insufficient to assess after-sales service, financial credibility, or customer cases. The supplied information also identifies the company as a trade company, while other descriptions present it as a manufacturer, so its precise operating role should be verified.
CertificationsThe supplier states that it has passed ISO9001, IATF16949, and ISO14001 quality or management system certifications authorized by the German TUV group. It also states that all products are RoHS compliant and CE certified, with some products UL approved. These claims provide explicit evidence of substantial certification coverage, although certificate validity and scope are not independently documented in the slices.
R&D capabilityThe supplier explicitly states that it emphasizes innovation and provides motor manufacturing and R&D services. It reports 18 years of total R&D-engineer experience, access to advanced technology and equipment, and products featuring variable-frequency-drive control, precise speed control, low vibration, and application-oriented designs. These statements support an innovation capability assessment, though no patents or independently verified development outcomes are provided.
Production capacityThe supplier offers multiple motor and gear-motor categories and reports 50,000,000 DC-motor pieces and 30,000,000 AC-motor pieces of annual production, five production lines, 130 employees, and 10 total staff experience. It also states that peak- and off-peak order fulfillment each require one month. The stated output and production infrastructure provide explicit evidence of production capability.
Customization capabilityThe supplier explicitly states that it offers customization to meet specific customer requirements and provides multiple sizes and power ratings. Its product range includes DC, AC, brushless, stepping, worm-gear, and other motors, while its R&D and manufacturing positioning supports technical adaptation. The slices do not define customization limits, engineering procedures, or minimum order conditions.
Product Q&A
Q:What is the delivery time for samples and bulk orders?
A:
Samples or small orders are sent in 7-15 days, while bulk or customized orders take about 30 days.
Q:Can the motor specifications be customized?
A:
Yes, motor specifications such as no-load speed, voltage, torque, diameter, noise, life, testing, and shaft length can be tailor-made.
Q:What are the available payment methods?
A:
We accept T/T, Western Union, L/C, D/P, PayPal, and small-amount payments.
Q:How quickly do you reply to inquiries?
A:
All enquiries or emails are replied to within 12 hours without delay.
Q:What is the speed ratio range for this gearbox?
A:
Each single frame size has 12 ratios ranging from 5:1 to 100:1, and modular combinations can reach up to 3200:1.
Send Inquiry
*To:
Ningbo Derry E&M Tech Co., Ltd.
Ningbo Derry E&M Tech Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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