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120mm Ratio 40: 1 Low Backlash Precision Reduction Planetary Gearbox Reducer
US$192.00
10-499 Pieces
US$125.00
500-999 Pieces
US$69.00
1,000+ Pieces
Sample price:US$125.00/piece.Request sample
Product profile
Customization
AvailableApplication
Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Medical EquipmentHardness
Hardened Tooth SurfaceModel NO.
PRL120P2L2Installation
Vertical TypeLayout
CoaxialGear Shape
Spur GearStep
Double-StepType
Planetary Gear ReducerSpeed Ratio
3:1 to 100:1Precision Range
Backlash:8-16arcminTransport Package
Carton BoxSpecification
size120Trademark
NewgearOrigin
ChinaHS Code
8483402090Production Capacity
100000 SetKey features
Low Backlash Precision: Backlash range of 8-16 arcmin ensures high precision for demanding applications.
Wide Speed Ratio Range: Available ratios from 3:1 to 100:1 to suit various speed requirements.
Robust Construction: Inner gears use low carbon alloy steel with carburizing quenching or nitriding processes.
Versatile Mounting: Features threaded connection, round flange shaft, and keyway options for flexible installation.
High Torque Output: Emergency stop torque reaches 2.5 times rated torque for reliable performance under load.
Long Service Life: Average lifetime of 20,000 hours ensures durability and reduced maintenance needs.
IP65 Protection: Degree of protection IP65 makes it suitable for harsh industrial 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: ≤5.01h 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:Who are we?
A:
Hefa Group is based in Guangdong, China, start from 1998,has a three subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc
Q:How can we guarantee quality?
A:
Always a pre-production sample before mass production; Always final Inspection before shipment;
Q:How to choose the suitable planetary gearbox?
A:
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc
Q:Why should you buy from us not from other suppliers?
A:
We are a 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts
Q:What services can we provide?
A:
Accepted Delivery Terms: Fedex,DHL,UPS; Accepted Payment Currency:USD,EUR,HKD,GBP,CNY; Accepted Payment Type: T/T,L/C,PayPal,Western Union; Language Spoken:English,Chinese,Japanese
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Shenzhen Hefa Gear Machinery Co., Ltd.
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