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Two Stages Pw120 Low Backlash Helical Gears Planetary Reducer Gearbox
US$452.00
10-499 Pieces
US$252.00
500-999 Pieces
US$126.00
1,000+ Pieces
Sample price:US$252.00/piece.Request sample
Product profile
Customization
AvailableApplication
Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Textile MachineryFunction
Change Drive Direction, Speed Changing, Speed ReductionModel NO.
PW120 seriesLayout
CoaxialHardness
Hardened Tooth SurfaceInstallation
Vertical TypeStep
Single-StepType
Planetary Gear BoxGear Shape
Helical GearSpeed Ratio
3:1 to 100:1Precision Range
P1:1-3arcmin P2:3-5arcminTransport Package
Carton BoxSpecification
size120Trademark
NewgearOrigin
ChinaHS Code
8483402090Production Capacity
100000 SetKey features
Low Backlash Precision: P1 accuracy 1-3 arcmin, P2 accuracy 3-5 arcmin for precise positioning.
Wide Speed Ratio Range: Adjustable ratios from 3:1 to 100:1 to suit various speed reduction needs.
Helical Gear Transmission: Helical gears provide stable operation and high bearing capacity.
Robust Construction: Hardened tooth surface with low carbon alloy steel for durability.
High Load Capacity: Max radial load up to 6100N and max axial load up to 2800N.
Long Service Life: Average lifetime of 20,000 hours for reliable long-term performance.
IP65 Protection Rating: Dust tight and protected against water jets for harsh environments.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-02-28 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.31h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryShenzhen Hefa Gear Machinery Co., Ltd. is a China-based manufacturing factory established in 2009, with 294 employees and more than 10 production lines. Its stated product scope covers precision gears, timing pulleys, planetary gear reducers, worm gears, racks, couplings, and related components. The supplier reports ISO9001:2015 certification, 41–50 quality-control staff, eight R&D engineers, and annual planetary gearbox productivity of 200,000 units. It offers personalized services and describes a quality-first, continuous-improvement approach. Export activity began in 2015, with markets spanning multiple regions and Shenzhen port proximity. Evidence supports production scale, quality-system certification, product customization, and international fulfillment capability. However, the provided information does not establish financial credibility, documented after-sales procedures, or specific customer cases.
Supplier typeThe supplier is identified as a factory in Shenzhen, China, operating in manufacturing. Its legal entity is Shenzhen Hefa Gear Machinery Co., Ltd., established in 2009, with 294 employees.
CertificationsThe supplier explicitly reports holding an ISO9001:2015 certificate. This provides direct evidence of a certified quality management system, although no additional certifications are listed.
R&D capabilityThe supplier reports eight R&D engineers and describes continuous improvement and innovation as operating principles. Its product scope includes precision gears, planetary reducers, and other specialized transmission components, supporting some innovation capability, but no patents, R&D investment, or product-development results are stated.
Production capacityThe supplier has 294 employees, more than 10 production lines, 41–50 quality-control staff, and reported annual productivity of 200,000 planetary gearboxes. It also states an off-peak lead time within 15 working days and peak-season fulfillment of 2–3 months, indicating established production capacity with seasonal variation.
Customization capabilityThe supplier explicitly states that it provides personalized services and focuses on customer participation in the manufacturing process. Its offerings include multiple precision transmission products, while the representative title also references manufacturing and customization; this supports customization capability, though detailed customization boundaries are not specified.
Product Q&A
Q:What is the accuracy range of the gearbox?
A:
The gearbox offers P1 precision (1-3 arcmin) and P2 precision (3-5 arcmin) options.
Q:What speed ratios are available?
A:
Speed ratios range from 3:1 to 100:1, covering both single and double-stage configurations.
Q:What is the maximum input speed?
A:
The maximum input speed is 6000 rpm for all models (PW60, PW90, PW120).
Q:Is the gearbox suitable for high-speed rotation?
A:
Yes, the double support cage planet carrier ensures high reliability for high-speed and frequent forward/reverse rotation.
Q:What is the average lifetime of the product?
A:
The average lifetime is 20,000 hours under normal operating conditions.
Send Inquiry
*To:
Shenzhen Hefa Gear Machinery Co., Ltd.
Shenzhen Hefa Gear Machinery Co., Ltd.*Content:
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