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


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.

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.
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.
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.
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.
BS-Series Backstop Clutches
RSCI & RSBW Cam Clutches
One-way Needle Roller Clutches
High-torque industrial backstops


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


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.
BS-F Series
Cam Clutch Backstop Units
High-speed overrunning clutches
World-class precision
Best for high-speed, high-load applications
Strong global support network
Location: Tianjin
Specialization: Industrial power transmission
Renold’s China division manufactures backstop elements with strict UK quality standards.
Backstop clutches for conveyors
Heavy-duty modular units
Industrial torque limiters
Long product lifespan
Excellent engineering support
Trusted in mining, cement, and steel industries
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.
RS, RSB, RSE Backstop Series
Overrunning clutches
Cam clutch units
Great price-to-performance ratio
Large-scale production capability
Fast delivery
Location: Shenzhen
Specialization: Custom backstop solutions and one-way bearings
A rising manufacturer offering both standard and custom backstop units.
Custom anti-reverse clutches
Miniature backstop units
Roller-type backstop clutches
Strong design flexibility
Small-batch customization
Modern CNC production environment
Choosing a manufacturer isn’t just about price. Here’s what you should consider:
Higher-torque systems like bucket elevators need heavy-duty backstops with larger sprags or rollers.
Look for:
GCr15 bearing steel
Vacuum or salt-bath heat treatment
Precision grinding tolerances
If your project requires a unique bore size, torque rating, or mounting style, choose a factory with in-house R&D.
A trustworthy manufacturer should offer:
ISO 9001
Material inspection reports
Hardness testing
Torque performance validation
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.
Yes. Many Chinese manufacturers now meet global standards and export worldwide.
Most suppliers, especially Suma and Donglu, support customization.
Mining, packaging, conveyors, cement, material handling, and automation.
Typically 3–10 years depending on load, lubrication, and maintenance.
Yes—several specialize in private-label production for global brands.