What is the lead time for delivery?

7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity.

What is the precision range of the gearbox?

The precision range is 8-16 arcmin, suitable for high-precision applications.

What is the maximum input speed?

The max input speed ranges from 4000 to 8000 rpm depending on the model.

High Precision Low Backlash Ratio 50: 1 Spur Planetary Gear Box

Name: High Precision Low Backlash Ratio 50: 1 Spur Planetary Gear Box
Brand: Shenzhen Hefa Gear Machinery Co., Ltd.
SKU: 1956218405

Guangdong, ChinaShenzhen Hefa Gear Machinery Co., Ltd.

US$405.00

5-499 Pieces

US$305.00

500-999 Pieces

US$145.00

1,000+ Pieces

Sample price:US$305.00/piece.Request sample

Product profile

Customization

Available

Application

Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator

Function

Change Drive Torque, Change Drive Direction, Speed Reduction

Model NO.

PRN120 series

Layout

Coaxial

Hardness

Hardened Tooth Surface

Installation

Vertical Type

Step

Single-Step

Type

Planetary Gear Box

Gear Shape

Spur Gear

Speed Ratio

50:1

Precision Range

8-16arcmin

Transport Package

Carton Box

Specification

size120

Trademark

Newgear

Origin

China

HS Code

8483402090

Production Capacity

100000 Set

Key features

High Precision Range: Precision range from 8 to 16 arcmin for accurate motion control.

Low Backlash Design: Minimal backlash ensures smooth operation and high efficiency.

Wide Speed Ratio: Speed ratio range spans from 3:1 to 100:1 for versatile applications.

High Efficiency: Full load efficiency reaches 96% for L1 stage and 94% for L2 stage.

Durable Construction: Inner gears use low carbon alloy steel with carburizing quenching.

Long Service Life: Average lifetime up to 20,000 hours under normal operating conditions.

Low Noise Operation: Noise levels kept below 58-70 dB for quiet performance.

IP65 Protection: High dust and water resistance suitable for harsh environments.

Company profile

Shenzhen Hefa Gear Machinery Co., Ltd.

Guangdong, China

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: ≤3.15h 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?

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?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:How to choose the suitable planetary gearbox?

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?

We are 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?

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.