Couplings | Flexible Couplings | RS
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    Flexible Couplings

    Couplings, or couplers, are commonly used in a variety of motion control applications, from aviation and laboratory equipment to robotics, and medical devices. A coupling is a mechanical element that connects two shafts together to transmit power and movement. Couplers can be flexible or rigid.

    Which Coupling Type should I choose?

    There are many different coupling types, shapes and sizes, the right choice of coupler will be dependent upon your applications and specifications.

    When deciding which shaft coupler is best, many considerations need to be factored in to ensure the correct coupling is used to reduce instances of coupler failure, improve system capability, and reduce system issues.

    Rigid couplings are used where precise alignment is of paramount as there is no movement between the shafts with this coupler type.

    Flexible couplings are used where a degree of motion is needed between the shafts. These couplings can improve the performance of a machine and reduce wear and tear. They are easy to install and have a long-life span. The types of couplings that sit within the flexible couplings area are gear couplings, Oldham couplings and universal joint couplings.

    Gear couplings are flexible and capable of high torque transmission between shafts that are not collinear, because of this they are frequently use on large industrial machinery where high power applications are needed.

    Bellow couplings can accommodate all forms of misalignment and have a balanced design for reduced vibration at high speeds. They are best suited for applications where precise positioning is required, such as in material handling or general automation and assembly.

    Oldham couplings are used to connect parallel shafts that are slightly out of line, this kind of parallel misalignment can occur where power transmission is needed at different elevations. The Oldham coupling consists of three discs, connected to either side of the drive, and the third sandwiched in between.

    Jaw couplings are made from flexible materials. Due to this, they can accommodate any misalignment caused by thermal expansion or manufacturing inefficiencies and are usually found in lower power transmission applications such as the electrical motor and internal combustion systems. They work by preventing shock loading, the sudden and drastic increase of load in a system.

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    903 Products showing for Flexible Couplings

    SKF
    69mm
    Gear Coupling
    69mm
    116mm
    -
    1139Nm
    -
    -
    -
    -
    -
    -
    -
    SKF
    -
    Jaw Coupling
    -
    -
    -
    200Nm
    -
    -
    -
    -
    -
    -
    -
    Huco
    19mm
    Bellows Coupling
    66mm
    79mm
    -
    60Nm
    -
    -
    1.5°
    0.15mm
    0.6mm
    -
    -
    Huco
    1/4in
    Bellows Coupling
    12mm
    23mm
    -
    0.79Nm
    -
    -
    14°
    +1.6 → -2.2mm
    1.72mm
    -
    -
    KTR
    14mm
    Gear Coupling
    25mm
    -
    -
    30Nm
    -
    -
    0.7°
    0.2mm
    -
    -
    -
    Huco
    6mm
    Beam Coupling
    16mm
    20.3mm
    -
    1.5Nm
    -
    -
    0.12mm
    -
    -
    -
    Ruland
    8mm
    Beam Coupling
    25mm
    30mm
    -
    3.42Nm
    -
    -
    0.38mm
    0.25mm
    -
    -
    Ruland
    10mm
    Beam Coupling
    25mm
    33.3mm
    -
    -
    -
    -
    1.5°
    0.1mm
    0.3mm
    -
    -
    Huco
    8mm
    Beam Coupling
    19mm
    22.9mm
    -
    2.5Nm
    -
    -
    0.12mm
    -
    -
    -
    Ruland
    4mm
    Beam Coupling
    20mm
    20mm
    -
    1.3Nm
    -
    -
    0.2mm
    0.12mm
    -
    -
    Huco
    19mm
    Bellows Coupling
    56mm
    73mm
    -
    30Nm
    -
    -
    0.25mm
    1mm
    -
    -
    Ruland
    3mm
    Beam Coupling
    9.5mm
    14.3mm
    -
    -
    -
    -
    0.2mm
    0.13mm
    -
    -
    Huco
    12mm
    Beam Coupling
    32mm
    57.2mm
    -
    25Nm
    -
    -
    0.5mm
    -
    -
    -
    Huco
    10mm
    Beam Coupling
    25mm
    38.1mm
    -
    10Nm
    -
    -
    0.38mm
    -
    -
    -
    Huco
    3mm
    Specialist Coupling
    -
    27mm
    -
    0.5Nm
    -
    -
    10°
    -
    4.5mm
    -
    -
    SKF
    65mm
    Grid Coupling
    87mm
    76mm
    Set Screw
    994Nm
    -
    -
    -
    -
    -
    -
    -
    SKF
    10mm
    Jaw Coupling
    16mm
    20.6mm
    Jaw
    -
    -
    -
    -
    -
    -
    -
    PHE
    Huco
    20mm
    Oldham Coupling
    50mm
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Huco
    8mm
    Specialist Coupling
    -
    48mm
    -
    1.8Nm
    -
    -
    15°
    -
    7.5mm
    -
    -
    SKF
    43mm
    Grid Coupling
    57mm
    51mm
    Set Screw
    249Nm
    -
    -
    -
    -
    -
    -
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