China Professional China Factory Direct Chain Coupling – Set- Kc4014

Product Description

SC Transmission Roller Chain Coupling KC Coupling KC 4014 

The products are made of high quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process etc. Assembled precision by Internal hole position, spin riveted by pressure to ensure the performance of the entire chain.

The chain coupling consists of a shaft coupling assembled from 2 rows of roller chain and 2 sprockets which engage them.
The chain ends can be simply connected or dismantled.
The original KANA structure is such that the case has been split into 2 perpendicularly to the shaft, and the cases 3012 to 8571 have a V-shaped groove on both sides with an O-ring inserted to prevent oil leaks.

Product Description



* Standard roller chain
* OEM roller chain


High Performance:
√ Strong Ultimate tensile strength
√ Perfect surface treatment
√ Durable,Flexible


Quality Assurance:
ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.

√Corrosion resistance
√Durable, Robust and Reliable
√Bad condition resistance
√Lower weight–high speed


Application industries:
√Building Material
√Oil and Gas

√Technology and Science

Plastic bag+Neutral box +Plywood box


Adapted to:
* roller chains based on the requirements of ANSI B29.1
* Roller chain components are shot peened for greater fatigue resistance
* available with single strand roller chain,double strand roller chain,triple strand roller chain,four strand roller chain
* material used for roller chain 40mn
* heat treatment and special surface treatments are available on request


Product Parameters

IZE BORE Pilot A d O L I S B C BOLT TORQUE ARM(Nm) Max (rpm) (kg.cm2) WEIGHT
3012 12-16 12 69 25 45 64.8 29.8 5.2 63 10.2 6M 190 5000 3.7 0.4
4012 12-22 12 77 33 62 79.4 36 7.4 72 14.4 6M 249 4800 5.5 0.8
4014 12-28 12 84 43 69 79.4 36 7.4 75 14.4 6M 329 4800 9.7 1.1
4016 14-32 14 92 48 77 87.4 40 7.4 75 14.4 6M 429 4800 14.4 1.4
5014 15-35 14 101 53 86 99.7 45 9.7 85 18.1 8M 620 3600 28 2.2
5016 16-40 16 111 60 93 99.7 45 9.7 85 18.1 8M 791 3600 37 2.7
5018 16-45 16 122 70 106 99.7 45 9.7 85 18.1 8M 979 3000 56.3 3.8
6018 20-56 20 142 85 127 123.5 56 11.5 105 22.8 10M 1810 2500 137.3 6.2
6571 20-60 20 158 98 139 123.5 56 11.5 105 22.8 10M 2210 2500 210.2 7.8
6571 20-71 20 168 110 151 123.5 56 11.5 117 22.8 10M 2610 2500 295 10.4
8018 20-80 20 190 110 169 141.2 63 15.2 129 29.3 12M 3920 2000 520 12.7
8571 20-90 20 210 121 185 145.2 65 15.2 137 29.3 12M 4800 2000 812.4 16
8571 20-100 20 226 140 202 157.2 71 15.2 137 29.3 12M 5640 1800 1110 20.2
1571 25-110 25 281 160 233 178.8 80 18.8 153 35.8 12M 8400 1800 2440 33
12018 35-125 35 307 170 256 202.7 90 22.7 181 45.4 12M 12700 1500 3940 47
12571 35-140 35 357 210 304 222.7 100 22.7 181 45.5 12M 18300 1250 7810 72
16018 63-160 35 375 228 340 254.1 112 30.1 240 58.5 16M 26400 1100 14530 108
16571 80-200 70 440 279 405 310.1 140 30.1 245 58.5 16M 37100 1000 32220 187
20018 82-205 75 465 289 425 437.5 200 37.5 285 71.6 20M 54100 800 50980 286
20571 100-255 90 545 263 506 477.5 220 37.5 300 71.6 20M 77800 600 111100 440
24571 120-310 110 650 448 607 650 302.5 45 340 87.8 20M 137000 600 310000 869
24026 150-360 140 745 526 704 700 327.5 45 350 87.8 20M 186000 500 598500 1260

The biggest characteristic is that the chains can be customized in different standard and materials according to your requirements. Made from the steel and the up-to-date skills as well as precision procedures, the high quality roller chain can withstand strong pressure and high temperature.

Company Profile



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chain coupling

What are the common materials used in chain couplings?

Chain couplings are commonly made from various materials that offer the necessary strength, durability, and wear resistance required for transmitting torque between shafts. The choice of materials depends on factors such as the application requirements, operating conditions, and the specific design of the coupling. Here are some common materials used in chain couplings:

  • Steel: Steel is one of the most widely used materials for chain couplings. It offers excellent strength, toughness, and resistance to wear and fatigue. Carbon steel and alloy steel are commonly used, with alloy steel providing enhanced properties such as higher tensile strength and improved corrosion resistance.
  • Stainless Steel: Stainless steel is chosen for chain couplings when corrosion resistance is a critical requirement. It offers good mechanical properties along with resistance to rust and corrosion, making it suitable for applications in harsh environments or where exposure to moisture or chemicals is present.
  • Cast Iron: Cast iron is occasionally used for chain couplings, particularly in applications where cost-effectiveness and moderate strength are important factors. Cast iron provides good wear resistance and can withstand moderate loads and operating conditions.
  • Bronze: Bronze is utilized in certain specialized chain couplings, especially in applications where self-lubrication and high resistance to corrosion are required. Bronze has good friction properties and can operate in conditions where lubrication may be limited or unavailable.
  • Plastics: In some cases, certain plastics, such as nylon or polyurethane, are used for chain coupling components like chain guides or protective covers. Plastics offer low friction, noise reduction, and resistance to chemicals, making them suitable for specific applications.

It’s important to note that the materials used in chain couplings may vary depending on the specific manufacturer, coupling design, and application requirements. It is recommended to consult the manufacturer’s specifications and guidelines to determine the appropriate materials for a particular chain coupling.

Additionally, in some cases, chain couplings may incorporate a combination of different materials, such as steel for the sprockets and roller chain, and elastomers for the flexible elements. This hybrid construction allows for optimized performance, balancing strength, flexibility, and damping characteristics.

Overall, the selection of materials for chain couplings is crucial to ensure reliable and efficient power transmission while considering factors such as load capacity, operating conditions, and the desired service life of the coupling.

chain coupling

How to install a chain coupling?

Proper installation of a chain coupling is crucial for ensuring its optimal performance and longevity. Here are the steps to follow when installing a chain coupling:

  1. Prepare the Work Area: Before beginning the installation, ensure that the work area is clean and free from any debris or contaminants. This will help prevent any damage to the coupling components during installation.

  2. Inspect the Components: Carefully inspect the chain coupling components, including the sprockets, roller chain, connecting pins, and bushings or bearings. Check for any signs of damage or wear. Replace any components that are worn or damaged.

  3. Position the Coupling: Position the coupling on the shafts that need to be connected. Ensure that the shafts are aligned properly and the coupling is centered between them.

  4. Install the Sprockets: Slide the sprockets onto the shafts, with the teeth facing each other. Make sure the sprockets are securely seated on the shafts and aligned with each other.

  5. Connect the Roller Chain: Loop the roller chain around the sprockets, ensuring that it is properly engaged with the sprocket teeth. Connect the ends of the roller chain using the connecting pins. Insert the connecting pins through the pin holes in the chain links and secure them with retaining clips or other fasteners.

  6. Tension the Chain: Adjust the tension of the roller chain to the manufacturer’s specifications. The chain should have the appropriate amount of slack to allow for smooth operation and accommodate misalignment but should not be too loose or too tight. Follow the manufacturer’s guidelines for determining the correct chain tension.

  7. Secure the Bushings or Bearings: If the chain coupling uses bushings or bearings, ensure they are properly installed in the bores of the sprockets and provide a secure and smooth rotation of the shafts.

  8. Apply Lubrication: Apply the recommended lubricant to the roller chain and sprockets. Proper lubrication is essential for reducing friction, wear, and noise, and it helps ensure smooth operation of the chain coupling.

  9. Check Alignment and Rotation: Once the chain coupling is installed, check the alignment of the shafts and the rotation of the coupling. Verify that the coupling rotates smoothly without any binding or interference.

  10. Inspect and Test: After installation, thoroughly inspect the entire chain coupling assembly. Look for any signs of misalignment, unusual noise, or vibration. Test the coupling’s operation by running the machinery at a low speed and gradually increasing to the normal operating speed. Monitor the coupling for any issues or abnormalities.

Following these installation steps will help ensure a proper and secure installation of the chain coupling, promoting efficient power transmission and minimizing the risk of premature failure or damage.

chain coupling

What is a chain coupling?

A chain coupling is a mechanical device used to connect two rotating shafts in a power transmission system. It consists of two sprockets or toothed wheels and a roller chain that meshes with the sprocket teeth. The sprockets are mounted on the respective shafts and linked together by the chain, allowing torque to be transmitted from one shaft to the other.

Chain couplings are designed to provide a flexible and reliable connection between shafts while accommodating misalignment between them. They are known for their ability to compensate for angular, parallel, and axial misalignments, making them suitable for a wide range of industrial applications.

The sprockets of a chain coupling typically have hardened teeth that engage with the rollers of the chain. The chain itself is made up of a series of interconnected links, each consisting of two plates joined by pins. The rollers are mounted on the pins, allowing them to rotate freely and mesh with the sprocket teeth.

One of the key advantages of chain couplings is their ability to transmit high torque loads. The engagement between the sprockets and the chain provides a positive drive, allowing for efficient power transfer even in demanding applications. Chain couplings are commonly used in heavy-duty machinery and equipment where large amounts of power need to be transferred, such as conveyors, mixers, crushers, and industrial drives.

Chain couplings also offer flexibility in shaft alignment. They can compensate for angular misalignment, which occurs when the shafts are not perfectly aligned at an angle. Additionally, they can accommodate parallel misalignment, where the shafts are offset from each other, as well as axial misalignment, which refers to the displacement along the axis of the shafts.

Proper lubrication is essential for the efficient operation and longevity of chain couplings. Lubricants such as oil or grease are applied to the chain and sprockets to reduce friction and wear. This helps to prevent heat buildup and ensures smooth rotation and power transmission.

Chain couplings are available in various sizes, configurations, and materials to suit different application requirements. The selection of a chain coupling depends on factors such as torque capacity, speed, shaft diameter, and misalignment tolerance.

In summary, chain couplings provide a flexible, reliable, and high-torque solution for connecting rotating shafts in power transmission systems. They offer the ability to compensate for misalignment, making them suitable for a wide range of industrial applications where efficient power transfer is crucial.

China Professional China Factory Direct Chain Coupling - Set- Kc4014  China Professional China Factory Direct Chain Coupling - Set- Kc4014
editor by CX 2024-04-02