HKI 97-112 up to 191 Double-joint Couplings


HKI 97-112 up to 191

Double joint couplings

  • For encoder attachments with increased offset (parallel/axial)
  • Play-free, torsion resistant, failsafe and isolated
  • Extends service life of encoders
  • Options: Variety of attachment possibilities

Double joint couplings

The isolated and corrosion proof HKI metal multiple disc couplings compensate an increased parallel misalignment up to ±1 mm and an axial misalignment up to ±2 mm as well as extending the service life of encoders in the process. Double joint couplings are optionally available with attachment options for large bore diameters up to 40 mm as well as for shafts without a feather key (positive fit) or tapered shaft.

Technical Data


Product usage
  • Compensate axial misalignment
  • Compensate parallel misalignment
  • Isolate against existing bearing/shaft currents
Coupling specification Stainless steel coupling with plastic screws (electrically isolated)
Bore drive side Max. Ø 40 mm with keyway / taper: 20 mm or 32 mm
(larger diameter possible by means of adapter shaft)
Bore encoder side Max. Ø 40 mm with keyway / taper: 20 mm or 32 mm
(larger diameter possible by means of adapter shaft)
Outer diameter Ø 97 mm
Total length 112 – 191 mm
Mounting accuracy Radial misalignment: up to ±1 mm / axial misalignment: up to ±2 mm
Maximum rotation 12000 rpm
Temperature range -40 °C to +110 °C
Shock resistance 10 g (briefly 100 g)
Vibration resistance 3 g (briefly 20 g)
Insulated against currents Yes
Mechanical options Attachment to larger shaft diameters possible with adapter shaft
Special features and certificates



HK … / HKD … (de/en)


HKI 97-112 up to 191 Double-joint Couplings by Hubner Australia


This article will delve into the features and applications of the HKI 97-112 up to 191 Double-joint Couplings offered by Hubner in Australia. These couplings provide efficient and reliable connections in various industrial applications, facilitating the smooth transmission of torque and rotation between two shafts. In the following sections, we will explore the key features, applications, and benefits of the HKI Double-joint Couplings, highlighting their significance in the Australian market.

Key Features of HKI 97-112 up to 191 Double-joint Couplings

The HKI 97-112 up to 191 Double-joint Couplings incorporate several key features that make them a preferred choice for industrial applications. The following are the notable features of HKI Double-joint Couplings:

  1. High Torque Transmission: These couplings are designed to handle high torque loads, ensuring efficient power transmission between two shafts. The robust construction and precision engineering of the HKI Double-joint Couplings contributes to their ability to withstand heavy-duty applications.
  2. Angular Misalignment Compensation: The Double-joint design of these couplings allows for angular misalignment compensation between the connected shafts. This feature helps to minimize stress and wear on the coupling and the connected components, enhancing the overall system performance and lifespan.
  3. Compact and Space-saving Design: HKI Double-joint Couplings are engineered with a compact design, making them suitable for applications with limited space. The compact size allows for easy installation and integration into existing systems without significant modifications.
  4. Damping of Vibrations: These couplings offer effective damping of vibrations, reducing the transmission of harmful vibrations between the shafts. This feature helps to enhance the smooth operation of machinery, minimize noise levels, and improve overall system stability.

Applications of HKI 97-112 up to 191 Double-joint Couplings

HKI Double-joint Couplings find extensive applications across various industries in Australia. Some notable applications include:

  1. Industrial Machinery: HKI Double-joint Couplings are widely used in industrial machinery such as pumps, compressors, mixers, and conveyors. They provide reliable torque transmission, accommodating misalignments and ensuring smooth operation even in demanding environments.
  2. Automation and Robotics: In automation and robotics systems, HKI Double-joint Couplings play a crucial role in transmitting torque and rotation between various components. These couplings facilitate precise and synchronized movement, contributing to accurate positioning and operation.
  3. Printing and Packaging: The compact design and high torque transmission capabilities of HKI Double-joint Couplings make them suitable for printing and packaging machinery. They enable efficient power transmission, ensuring reliable performance in high-speed printing and packaging operations.
  4. Material Handling Equipment: HKI Couplings are utilized in material handling equipment such as conveyor systems and cranes. The couplings allow for smooth and reliable torque transfer, enabling efficient movement and handling of materials.

Benefits of HKI 97-112 up to 191 Double-joint Couplings

HKI Double-joint Couplings offer several benefits that make them a valuable choice for industrial applications:

  1. Reliable Performance: With their robust construction and high torque transmission capabilities, HKI Couplings ensure reliable and consistent performance even in demanding operating conditions. This reliability contributes to reduced downtime and maintenance costs.
  2. Misalignment Compensation: The Double-joint design of these couplings allows for angular misalignment compensation, reducing stress and wear on the connected shafts and components. This feature helps to extend the lifespan of the machinery and minimize the risk of unexpected failures.
  3. Enhanced System Efficiency: By providing efficient torque transmission and damping vibrations, HKI Double-joint Couplings contribute to improved system efficiency. This efficiency translates to energy savings, increased productivity, and reduced wear on connected equipment.
  4. Versatility: HKI Double-joint Couplings are available in a range of sizes and configurations to suit different application requirements. Their versatility makes them compatible with a wide range of machinery and systems, offering flexibility in design and implementation.


The HKI 97-112 up to 191 Double-joint Couplings by Hubner Australia are reliable and efficient solutions for torque transmission in various industrial applications.

Their key features, such as high torque capacity, angular misalignment compensation, compact design, and vibration damping, make them well-suited for a range of industries in Australia.

By utilizing HKI Double-joint Couplings, businesses can enhance the performance, reliability, and efficiency of their machinery, leading to improved productivity and cost savings.