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PA90 High Precision Backlash 3-5arcmin Helical Transmission Planetary Gearboxes
US$246.00
1-499 Pieces
US$157.00
500-999 Pieces
US$89.00
1,000+ Pieces
Sample price:US$157.00/piece.Request sample
Product profile
Customization
AvailableApplication
Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Packaging MachineryFunction
Change Drive Torque, Change Drive Direction, Speed Changing, Speed ReductionModel NO.
PA90P2L1Layout
CoaxialHardness
Hardened Tooth SurfaceInstallation
Vertical TypeStep
Single-StepType
Planetary Gear BoxSpeed Ratio
3:1~100:1Precision Range
1-3arcmin(P1); 3-5arcmin(P2)Transport Package
Carton BoxSpecification
90mmTrademark
NewgearOrigin
ChinaHS Code
8483402090Production Capacity
100000 SetKey features
High Precision Backlash: Backlash as low as 1-3 arcmin (P1) and 3-5 arcmin (P2) for accurate motion control.
Wide Speed Ratio Range: Available ratios from 3:1 to 100:1 covering L1 and L2 stages for versatile applications.
High Efficiency: Efficiency up to 95% at L1 stage and 90% at L2 stage under full load conditions.
Durable Construction: Inner gears use low carbon alloy steel with carburizing quenching and grinding processes.
Low Noise Operation: Noise levels kept below 58-72 dB for quiet performance in various environments.
High Torque Output: Emergency stop torque reaches 2.5 times rated torque for robust load handling.
Long Service Life: Average operational life spans up to 20,000 hours under standard working conditions.
IP65 Protection: Dust-tight and protected against water jets for reliable outdoor or harsh use.
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: ≤4.50h 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 precision range of the gearbox?
A:
The precision range is 1-3 arcmin for P1 grade and 3-5 arcmin for P2 grade.
Q:What speed ratios are available?
A:
Speed ratios range from 3:1 to 100:1, suitable for L1 and L2 stages.
Q:How long is the average life of the gearbox?
A:
The average life time is 20,000 hours under normal operating conditions.
Q:What is the maximum input speed?
A:
Maximum input speed varies by model, ranging from 3000 to 8000 rpm.
Q:Is the gearbox suitable for outdoor use?
A:
Yes, it features an IP65 protection degree, making it suitable for harsh environments.
Send Inquiry
*To:
Shenzhen Hefa Gear Machinery Co., Ltd.
Shenzhen Hefa Gear Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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