What is the lead time for delivery?

The usual lead time is 7-10 working days, and 20 working days during the busy season, based on the detailed order quantity.

What is the degree of protection?

The planetary gearbox has a degree of protection of IP65.

High Torque Ratio 50: 1 Transmission Motor Planetary Speed Gear Boxes

Name: High Torque Ratio 50: 1 Transmission Motor Planetary Speed Gear Boxes
Brand: Shenzhen Hefa Gear Machinery Co., Ltd.
SKU: 1954333575

Guangdong, ChinaShenzhen Hefa Gear Machinery Co., Ltd.

US$200.00

2-49 Pieces

US$30.00

50+ Pieces

Sample price:US$252.00/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.

PRF120P2L2

Layout

Coaxial

Hardness

Hardened Tooth Surface

Installation

Vertical Type

Step

Single-Step

Type

Planetary Gear Box

Gear Shape

Helical Gear

Speed Ratio

50:1

Precision Range

Backlash:8-16arcmin

Transport Package

Carton Box

Specification

size120

Trademark

Newgear

Origin

China

HS Code

8483402090

Production Capacity

100000 Set

Key features

High Torque Output: Delivers up to 2.5 times rated torque for emergency stops and high-load applications.

High Precision Range: Backlash as low as 8 arcmin for L1 series and 12 arcmin for L2 series.

Durable Construction: Japanese imported materials with vacuum carburizing heat treatment reaching 58-62HRC.

High Efficiency: Full load efficiency up to 96% for L1 series and 94% for L2 series.

Long Service Life: Average lifetime of 20,000 hours with full needle roller transmission design.

Low Noise Operation: Noise levels maintained between 55dB and 70dB depending on the model.

Wide Speed Ratio: Available speed ratios ranging from 3:1 to 100:1 for versatile applications.

Corrosion Resistant: Surface nickel-plated anti-rust treatment enhances durability in 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: ≤2.35h 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, started in 1998, with three subsidiaries. Main products include planetary gearboxes, timing belt pulleys, helical gears, spur gears, gear racks, gear rings, chain wheels, hollow rotating platforms, and modules.

Q:How can we guarantee quality?

We always conduct a pre-production sample before mass production and perform a final inspection before shipment.

Q:How to choose the suitable planetary gearbox?

Please provide relevant parameters. If you have a motor drawing, it helps us recommend a suitable gearbox faster. Otherwise, provide output speed, output torque, voltage, current, IP, noise, operating conditions, motor size, and power.

Q:Why should you buy from us not from other suppliers?

We are a 22-year experienced manufacturer specializing in making gears, including spur, bevel, helical, grinding gears, gear shafts, timing pulleys, racks, planetary gear reducers, and timing belts.

Q:What services can we provide?

Accepted delivery terms include Fedex, DHL, and UPS. Accepted payment currencies are USD, EUR, HKD, GBP, and CNY. Accepted payment types are T/T, L/C, PayPal, and Western Union. We speak English, Chinese, and Japanese.