Product Description

Product Description

     The roller chain coupling is a flexible coupling of amazingly simple construction. It consists of a combination of 1 coupling chain and a pair of coupling sprockets. Flexible and strong, the  roller chain coupling is suitable for a wide range of coupling applications.
     Roller chain coupling can used for the environment which with high temperature, wet and dirty conditions. It is not suitable for the occasion which is in high speed and with strong impact load. Roller chain coupling should working with excellent lubrication and protection cover conditions. 
The common chain coupling includes double roller chain coupling, single row roller chain coupling, tooth shape chain coupling, nylon chain coupling. Its scale is compact and its weight is light. But roller chain coupling don’t have high requirement to installation precision. 
     Generally speaking, it is usually in long service life. Production line equipment for various kinds of frozen food and dehydrated vegetables should transport by stainless steel chain. Roller chains are widely applied to household, industrial and agricultural machinery, includes conveyor, drawing machine, printing machine, automobile, motorcycle and bicycle.

Main Features
1.Simple structure,easy assembly and disassembly.
2.Light weight,and long service life.
3.Have a certain ability to compensate for installation less precision.
4.Suitable for high temperature,wet and dusty industrial environment.
5.Can not for high speed,violent vibration.

Techncial Date

KASIN No. Chain Type d L G S D H C Weight/Kg A B Casing Weight/Kg
3012 06B-2 × 12 12~16 64.8 29.8 5.2 35 45 10.2 0.31 69 63 0.22
4012 40-2 × 12 12~22 79.4 36 7.4 35 62 14.4 0.73 77 72 0.3
4014 40-2 × 14 12~28 79.4 36 7.4 43 69 14.4 1.12 84 75 0.31
4016 40-2 × 16 14~32 87.4 40 7.4 50 77 14.4 1.5 92 72 0.35
5014 50-2 × 14 15~35 99.7 45 9.7 55 86 18.1 2.15 101 85 0.47
5016 50-2 × 16 16~40 99.7 45 9.7 62 93 18.1 2.75 110 87 0.5
5018 50-2 × 18 16~45 99.7 45 9.7 70 106 18.1 3.6 122 85 0.6
6018 60-2 × 18 20~56 123.5 56 11.5 85 127 22.8 6.55 147 105 1.2
6571 60-2 × 20 20~60 123.5 56 11.5 1/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030


flexible coupling

What are the cost implications of using flexible couplings compared to other coupling types?

When considering the cost implications of using flexible couplings compared to other coupling types, several factors come into play. While flexible couplings may have a higher upfront cost in some cases, they often offer cost savings in the long run due to their advantages and reduced maintenance requirements.

  • Upfront Cost: In terms of upfront cost, flexible couplings can vary depending on the design, material, and size. Some high-performance flexible couplings with specialized features may have a higher initial cost than simpler coupling types. For instance, certain specialized couplings used in demanding applications like high-speed precision machinery or corrosive environments might be more expensive.
  • Maintenance Costs: Flexible couplings generally have lower maintenance costs compared to certain rigid coupling types. Rigid couplings, such as gear couplings or disc couplings, may require periodic maintenance to check for wear, lubrication, and alignment. In contrast, many flexible couplings, especially those with elastomeric elements, are self-lubricating and require little to no maintenance.
  • Reduced Downtime: Due to their ability to accommodate misalignments and dampen vibrations, flexible couplings can reduce the wear and tear on connected equipment. This reduction in wear can lead to less frequent downtime for repairs or replacements, resulting in improved productivity and cost savings.
  • Longevity: Flexible couplings are designed to absorb shocks and vibrations, which can extend the lifespan of connected equipment. By minimizing stress and wear on components, flexible couplings contribute to the longevity of machinery and reduce the need for premature replacements.
  • Energy Efficiency: Some flexible couplings, such as beam couplings or certain elastomeric couplings, have low mass and inertia, contributing to better energy efficiency in rotating systems. By reducing energy losses, these couplings can result in cost savings over time.
  • Application Specificity: In some cases, specialized coupling types might be necessary to meet specific application requirements. While these specialized couplings may have higher costs, they are designed to optimize performance and reliability in those specific scenarios.
  • Compatibility and Adaptability: Flexible couplings are often more versatile in terms of accommodating shaft misalignment and different shaft sizes. Their adaptability can reduce the need for custom-made or precisely machined components, potentially saving costs in certain installations.

Overall, the cost implications of using flexible couplings compared to other coupling types depend on the specific application and its requirements. While they may have a higher initial cost in some cases, the long-term benefits, such as reduced maintenance, increased equipment longevity, and improved system efficiency, often justify the investment in flexible couplings.

flexible coupling

What are the factors influencing the thermal performance of a flexible coupling?

The thermal performance of a flexible coupling can be influenced by several factors, including:

  • Material Composition: The material used in the construction of the flexible coupling can impact its thermal performance. Different materials have varying thermal conductivity and heat resistance properties, which can affect how well the coupling dissipates heat generated during operation.
  • Operating Speed: The rotational speed of the flexible coupling can influence its thermal behavior. Higher speeds can result in increased friction, leading to more heat generation. Couplings designed for high-speed applications often incorporate features to manage and dissipate heat effectively.
  • Power Transmission: The amount of power transmitted through the flexible coupling plays a role in its thermal performance. Higher power levels can lead to increased heat generation, and the coupling must be designed to handle and dissipate this heat without compromising its integrity.
  • Environmental Conditions: The ambient temperature and surrounding environment can impact the thermal performance of the flexible coupling. In high-temperature environments, the coupling may need to dissipate heat more efficiently to avoid overheating.
  • Lubrication: Proper lubrication is essential for managing friction and heat generation within the coupling. Insufficient or inappropriate lubrication can lead to increased wear and heat buildup.
  • Design and Geometry: The design and geometry of the flexible coupling can influence its thermal performance. Some coupling designs incorporate features such as cooling fins, ventilation, or heat sinks to enhance heat dissipation.
  • Load Distribution: The distribution of loads across the flexible coupling can affect how heat is generated and dissipated. Proper load distribution helps prevent localized heating and reduces the risk of thermal issues.

Manufacturers consider these factors during the design and selection of flexible couplings to ensure they can handle the thermal demands of specific applications. Proper application and maintenance of the flexible coupling are also essential for optimizing its thermal performance and overall efficiency.

flexible coupling

Can flexible couplings be used in applications with varying operating temperatures?

Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.

High-Temperature Applications:

For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.

Low-Temperature Applications:

Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.

Temperature Range Considerations:

When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.

Manufacturer Guidelines:

Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.


Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.

In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.

China Standard Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling Kc 4012-10020  China Standard Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling Kc 4012-10020
editor by CX 2023-09-08