Product Description
Products Description
Stainless steel chains are widely used in food processing, pharmaceutical, chemical production, rubber processing, non-ferrous metal smelting, electronic equipment, environmental protection equipment and heat treatment equipment and other fields of mechanical transmission and conveying equipment.
Traction chains are widely used in forklifts, CHINAMFG stackers, textile machinery, parking garages, drilling rigs, aerial work platforms, pipe benders, etc.
Conveyor chain is widely used in food, wood and paper, logistics, packaging machinery, building materials machinery, environmental protection equipment and other industries for material conveying
Drive chains are mainly used to transmit power and are widely used in agricultural machinery, construction machinery, escalator drive, logistics and packaging machinery industries.
Agricultural Machinery Chain
Agricultural machinery chains are mainly used in rice, wheat, corn, cotton and other agricultural machinery to provide driving and conveying functions to realize the mechanization of the whole process of agricultural production from plowing, sowing to harvesting.
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Product Paramenters
Company Profile
SFR Chain Group has been excelling at manufacturing and innovating motorcycle and industrial chain since 1991,always focusing on high quality and innovation to stay in the pole position of the industry.
SFR operates 4 fully owned factories and 1 joint venture, certified by ISO9002, ISO9001 and ISO/TS16949 Quality Management System.
SFR offers over 2000 series, which are exported to over 60 countries all over the World, and are widely used in variety of fields. Such as agricultural machines, motorcycles, metallurgy, wood processing, or food and beverage processing, among others. We at SFR Chain always adhere to the group’s spirit of integrity, efficiency and innovation:”We strive to offer the best products and service to our customers”
SFR is a global professional supplier focusing on chain drive solutions, with famous chain drive brands such as SFR, SUNFUN, MOTOMAX, EP and TVH.
Our commitment to R&D led SFR to establish atable cooperation with several ell-known universities and research institutes in China, as well as setting up an Intelligent Chain Drive Research Center within the group, altogether resulting in its more than 70 patents. This allows us to offer the widest range of power transmission and conveyor chain at the most competitive prices.
Since 1991, it has become a leading company in the chain industry with 5 production bases, about 110,000 square CHINAMFG of factory space, more than 180 patents, more than 2,000 chain varieties, more than 8,000 product specifications,exports to more than 80 countries worldwide. Products are widely used in many fields such as logistics and conveying, food industry, petroleum industry, engineering machinery, lifting equipment, packaging machinery processing, environmental protection equipment, tobacco machinery, etc.
Factory equipment
SFR will continue to increase the investment in manufacturing, R&D, follow the wave of Industry 4.0, continuously improve the company’s technology, product, marketing and brand power, enhance the company’s comprehensive strength, and provide customers with better chain drive solutions.
High-speed punching of industrial chain plates Automatic high-speed punching, high efficiency, high precision, and good sound insulation and environmental protection measures.
Motorcycle chain automatic assembly line The chain automatic assembly line integrates the processes of parts loading, chain assembly, automatic detection, pre-stretching, head riveting, and oiling to achieve the real automatic and efficient agricultural chain automatic assembly.
Automatic assembly line for agricultural chains Using the design of electromechanical integration, the mechanical mold and pneumatic and hydraulic parts are effectively combined together to realize the automatic assembly of complex structure chains.
Testing Machine
SFR Chain currently has 5 manufacturing plants covering over 50,000 square CHINAMFG and employing nearly 1,000 people. We bring in top talent and some of the manufacturing equipment used for manufacturing and inspection to provide the highest quality standards and create effective economies of scale.
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| Material: | Alloy |
|---|---|
| Structure: | Roller Chain |
| Surface Treatment: | Electroplating |
| Chain Size: | 1/2"*11/128" |
| Feature: | Heat Resistant |
| Tensile Strength: | 3.5-38.8kn |
| Samples: |
US$ 5/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Can roller chains be used for power transmission in bicycles?
Yes, roller chains are commonly used for power transmission in bicycles. Here’s a detailed answer to the question:
Roller chains are an integral component of bicycle drivetrains, transmitting power from the pedals to the rear wheel. They offer several advantages that make them well-suited for this application:
1. Efficient Power Transfer: Roller chains provide efficient power transfer from the rider’s pedaling force to the rear wheel of the bicycle. They have low frictional losses, allowing for a smooth and efficient transfer of energy, resulting in better propulsion and improved performance.
2. High Strength and Durability: Roller chains used in bicycles are designed to withstand the forces exerted during pedaling and the varying loads encountered during riding. They are constructed using high-quality materials and precise manufacturing techniques to ensure strength and durability.
3. Lightweight: Roller chains used in bicycles are lightweight, contributing to the overall weight reduction of the bike. This is important for cyclists as it allows for faster acceleration, easier maneuverability, and enhanced handling.
4. Versatility: Roller chains are available in various sizes and configurations, allowing them to be used in different types of bicycles. Whether it’s a road bike, mountain bike, or city bike, roller chains can be adapted to suit the specific requirements of the bike’s drivetrain.
5. Easy Maintenance: Roller chains in bicycles require regular maintenance to ensure optimal performance and longevity. Proper lubrication and periodic cleaning are essential to prevent wear and corrosion. Fortunately, bicycle chains are relatively easy to maintain and can be readily accessed for cleaning and lubrication.
6. Cost-Effective Solution: Roller chains offer a cost-effective solution for power transmission in bicycles. They are affordable and widely available, making them a practical choice for bike manufacturers and cyclists alike.
In summary, roller chains are commonly used for power transmission in bicycles due to their efficient power transfer, strength, durability, lightweight nature, versatility, ease of maintenance, and cost-effectiveness. They play a crucial role in ensuring a smooth and reliable ride for cyclists of all types and skill levels.

How do roller chains handle lateral loads?
Roller chains are primarily designed to handle axial loads, which are loads acting in the direction of the chain’s axis. However, roller chains can also tolerate a certain degree of lateral loads, which are loads acting perpendicular to the chain’s axis. Here’s a detailed answer to the question:
1. Sprocket Alignment: Proper sprocket alignment is crucial for roller chains to effectively handle lateral loads. The sprockets must be aligned in a parallel and concentric manner to ensure that the chain tracks properly and experiences minimal lateral force. Misaligned sprockets can cause the chain to derail or experience excessive wear due to uneven loading.
2. Tolerance for Lateral Misalignment: Roller chains have some tolerance for lateral misalignment between the sprockets. This means that the chain can tolerate a slight deviation from a perfectly straight line between the sprockets. The chain’s side plates and rollers are designed to provide some flexibility, allowing the chain to adjust to minor lateral forces without significant problems.
3. Guide Rails or Flanges: In applications where lateral loads are more significant, guide rails or flanges can be employed to help keep the roller chain aligned and prevent excessive lateral movement. These additional components act as guides and help control the chain’s lateral displacement, ensuring that it remains on the sprockets and operates smoothly.
4. Chain Tension: Proper chain tension is crucial for handling lateral loads. A well-tensioned chain minimizes slack and reduces the chances of lateral movement. It helps keep the chain engaged with the sprockets and ensures that the load is evenly distributed across the chain’s width.
It’s important to note that roller chains have a primary function of transmitting power and handling axial loads. While they can handle some lateral loads within their design limits, excessive lateral forces can lead to chain derailment, increased wear, and reduced performance. Therefore, it’s essential to design the system properly, consider the anticipated lateral loads, and ensure proper alignment and tension to maintain the chain’s integrity and performance.

What is the expected lifespan of a roller chain?
The expected lifespan of a roller chain can vary depending on several factors, including the quality of the chain, the operating conditions, and the level of maintenance. Here’s a detailed answer to the question:
The lifespan of a roller chain is primarily influenced by the following factors:
1. Chain Quality: High-quality roller chains made from durable materials and manufactured to precise specifications tend to have a longer lifespan compared to lower-quality chains. Chains from reputable manufacturers often undergo rigorous testing and quality control processes to ensure their performance and durability.
2. Operating Conditions: The operating environment greatly affects the lifespan of a roller chain. Factors such as temperature, humidity, contamination, shock loads, and vibration can impact the chain’s wear and fatigue resistance. Chains operating in harsh conditions may require more frequent maintenance and replacement.
3. Lubrication and Maintenance: Proper lubrication is crucial for maintaining the lifespan of a roller chain. Regular lubrication helps reduce friction, wear, and corrosion, thereby extending the chain’s life. Additionally, regular inspection and maintenance, including tension adjustment, sprocket alignment, and cleaning, can help identify and address issues that could shorten the chain’s lifespan.
4. Load and Speed: The load and speed at which the roller chain operates also play a role in determining its lifespan. Chains operating under heavy loads or high speeds may experience increased wear and fatigue, shortening their lifespan. Choosing a chain with the appropriate strength and size for the application is important to ensure optimal performance and longevity.
Generally, a well-maintained roller chain can last for thousands of hours of operation. However, it is essential to monitor the chain’s condition regularly and replace it when signs of wear, elongation, or damage become apparent. Following the manufacturer’s recommendations for maintenance and replacement intervals is crucial for maximizing the lifespan of the roller chain.


editor by CX 2024-05-09