Top 5 Backstop Clutch Manufacturers in China
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Top 5 Backstop Clutch Manufacturers in China

Views: 0     Author: Site Editor     Publish Time: 2025-11-26      Origin: Site

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Backstop clutches might not look like much, but trust me—they’re the quiet heroes inside conveyor systems, bucket elevators, mining equipment, and any machine that absolutely cannot afford reverse rotation. If you’ve been searching for reliable, affordable, and high-performance backstops, China has quickly become one of the most competitive sources in the world.


In this guide, you’ll discover the five most reputable Chinese backstop clutch manufacturers—companies trusted globally for quality, innovation, and value.


What is a Backstop Clutch?


A backstop clutch, sometimes called an anti-reverse clutch, is a device that allows rotation in one direction while preventing motion in the opposite direction. If you’ve ever ridden a bicycle with a freewheel, you’re already familiar with the basic idea.


How Backstop Clutches Work


Backstop clutches typically use:


  • Sprag elements

  • Rollers or wedges

  • Cam structures


These engage automatically when reverse rotation is detected—almost like a seatbelt locking when you pull too fast.


Roller Freewheel


Sprag Freewheel

Key Applications in Modern Industries


Backstop clutches are heavily used in:


  • Conveyor systems

  • Mining & bulk material handling

  • Gear reducers

  • Bucket elevators

  • Industrial automation

  • Packaging equipment


Any system that lifts, conveys, or transfers loads benefits from a reliable backstop.


bucket elevator



Why China Has Become a Global Hub for Backstop Clutches


Manufacturing Strength


China’s centralized industrial supply chain enables factories to source steel, heat treatment services, grinding processes, and CNC machining in one region—significantly cutting lead times.


Cost Advantages


Compared to Europe, the U.S., or Japan, Chinese backstop manufacturers typically provide:

  • Lower production cost

  • Shorter delivery times

  • High customization capability

This makes them ideal partners for OEMs and distributors.


Technological Improvements


Modern Chinese factories now use:


  • CNC grinding centers

  • Automated assembly lines

  • 100% inspection processes

  • Imported heat-treatment equipment


Quality today is dramatically higher than 10 years ago.


Top 5 Chinese Backstop Clutch Manufacturers


1. Changzhou Suma Precision Machinery Co., Ltd.

Location: Changzhou, Jiangsu

Specialization: Backstop clutches, one-way bearings, cam clutches, overrunning clutches

Suma has become one of China’s most recognized suppliers of high-precision one-way and backstop clutches. Known for consistent quality and global-friendly service, their products are widely used in conveyors, packaging machines, and mining equipment.


Key Products


  • BS-Series Backstop Clutches

  • RSCI & RSBW Cam Clutches

  • One-way Needle Roller Clutches

  • High-torque industrial backstops


RSBW Series Backstop ClutchBS Series Backstop Clutch



Why They Stand Out


  • Strong R&D and customization capabilities

  • High heat-treatment consistency using Japanese processes

  • Exported to Europe, USA, South America, and Southeast Asia

  • Reliable OEM supplier for industrial brands


Certificate

 

processing


2. Tsubaki China (Tsubaki Power Transmission Co., Ltd.)


Location: Shanghai

Specialization: Cam clutches, transmission solutions

Tsubaki is a global leader with production facilities worldwide. Their China operation maintains the same Japanese engineering standards, offering premium backstop clutches.


Key Products


  • BS-F Series

  • Cam Clutch Backstop Units

  • High-speed overrunning clutches


Why They Stand Out


  • World-class precision

  • Best for high-speed, high-load applications

  • Strong global support network



3. Renold China


Location: Tianjin

Specialization: Industrial power transmission

Renold’s China division manufactures backstop elements with strict UK quality standards.


Key Products


  • Backstop clutches for conveyors

  • Heavy-duty modular units

  • Industrial torque limiters


Why They Stand Out


  • Long product lifespan

  • Excellent engineering support

  • Trusted in mining, cement, and steel industries



4. Zhejiang Donglu Industry Co., Ltd.


Location: Zhejiang

Specialization: Backstops, one-way clutches, cam clutches

Donglu is known for competitive pricing combined with strong mid-range quality—ideal for smaller equipment manufacturers or cost-focused projects.


Key Products


  • RS, RSB, RSE Backstop Series

  • Overrunning clutches

  • Cam clutch units


Why They Stand Out


  • Great price-to-performance ratio

  • Large-scale production capability

  • Fast delivery



5. Shenzhen Dehong Backstop & Clutch Manufacturing


Location: Shenzhen

Specialization: Custom backstop solutions and one-way bearings

A rising manufacturer offering both standard and custom backstop units.


Key Products


  • Custom anti-reverse clutches

  • Miniature backstop units

  • Roller-type backstop clutches


Why They Stand Out


  • Strong design flexibility

  • Small-batch customization

  • Modern CNC production environment



How to Choose the Right Chinese Backstop Manufacturer


Choosing a manufacturer isn’t just about price. Here’s what you should consider:


Load & Torque Requirements


Higher-torque systems like bucket elevators need heavy-duty backstops with larger sprags or rollers.


Materials & Heat Treatment


Look for:

  • GCr15 bearing steel

  • Vacuum or salt-bath heat treatment

  • Precision grinding tolerances


Customization Capabilities


If your project requires a unique bore size, torque rating, or mounting style, choose a factory with in-house R&D.


Certifications & Quality Control


A trustworthy manufacturer should offer:

  • ISO 9001

  • Material inspection reports

  • Hardness testing

  • Torque performance validation



Final Thoughts


China has become a major force in the global backstop clutch market thanks to its strong manufacturing infrastructure, competitive pricing, and fast innovation. Whether you’re sourcing for conveyors, mining equipment, or packaging machinery, the five companies above represent the best balance of quality, reliability, and cost.



FAQs


1. Are Chinese backstop clutches reliable?

Yes. Many Chinese manufacturers now meet global standards and export worldwide.


2. Can I request custom torque or bore sizes?

Most suppliers, especially Suma and Donglu, support customization.


3. What industries use backstop clutches the most?

Mining, packaging, conveyors, cement, material handling, and automation.


4. How long does a backstop clutch last?

Typically 3–10 years depending on load, lubrication, and maintenance.


5. Do Chinese factories offer OEM services?

Yes—several specialize in private-label production for global brands.



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