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    20-90mm Roller Chain Coupling

    Reliable roller chain coupling with robust housing, flexible coupling with bore sizes 20-90 mm and maximum torque up to 5640 Nm. ATO roller chain couplings offer high torque capacity and durability and are typically used in applications with large axial and radial misalignments between shafts.
    SKU: ATO-CC-8022
    30-day Returns
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    Delivery date: 10-20 days

    High torque roller chain couplings are available in bore sizes 20-90mm and up to 1800 rpm. Our roller chain couplings are designed for easy installation so you can get your machine up and running quickly and efficiently.


    Model ATO-KC-8022
    Chain Model 80-2x22
    Min Hole Diameter 20
    Max Hole Diameter 90
    Dimension A 226
    d 140
    O 202
    L 157.2
    I 71
    S 15.2
    B 137
    C 29.3
    Bolt 12M
    Max Torque 5640 Nm
    Max Speed 1800 rpm
    Moment of Inertia 1110 kg.cm2
    Weight 20.2kg


    • Chain shaft coupling provides direct power transmission between two components without any slip or play, which contributes to efficient power transmission and reduced energy loss.
    • 20 to 90mm chain coupling can accommodate a certain degree of misalignment between the shafts of the two components it connects.
    • Chain couplings are designed to absorb shock loads and vibrations that may occur during operation, which helps to protect the components and extend their life.
    • The roller chain coupling has a simple structure and is easy to install and disassemble, without moving the two coupled shafts.

    Dimension (unit: mm)

    Chain coupling dimension


    Chain couplings are commonly used in industrial applications where there is a need to transmit power between two rotating shafts. They are known for their high torque capacity and durability, and are often used in applications where there are large axial and radial misalignments between the shafts. Chain coupling is widely used in various industries, including automotive, aerospace, and manufacturing.

    Chain couplings applications

    Tips: What is the purpose of chain coupling?

    Chain coupling is a mechanical coupling method used to connect two rotating shafts together to transmit power from one shaft to the other. The purpose of chain coupling is to provide a flexible and reliable connection between the shafts that can accommodate small misalignments, vibrations, and shock loads while transmitting power with high efficiency.

    The chain coupling consists of two sprockets, one attached to each shaft, and a roller chain that meshes with the sprockets. The sprockets are connected with a coupling hub that allows for small angular and parallel misalignments between the shafts. The chain provides flexibility and allows for shock loads to be absorbed without damaging the equipment. Chain couplings are widely used in industrial applications such as conveyor systems, pumps, compressors, and other machinery that require power transmission between rotating shafts.

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