Product Description

Product Description


BOMAG Vibration Coupling

Description: The BOMAG vibration coupling is a vital component designed to optimize the performance and reliability of road construction machinery. Engineered with precision and crafted from high-quality materials, this coupling serves as an essential link in the compaction process, effectively dampening vibrations and ensuring smooth operation in demanding construction environments.

Material Size Color Weight Operating Temperature Suitable Models
Rubber, Polyurethane, Steel, Composite Materials Different Sizes Green   -20°C (-4°F) to 50°C (122°F) 
  • BW203AD-4
  • BW202AD-4
  • BW202AD-4-BF4M2012C
  • BW203AD-4-BF4M2012C
  • BW205AD-4-BF4M2012C
  • BW202AD-4-TCD2012L042V
  • BW203AD-4-TCD2012L042V
  • BW205AD-4-TCD2012L042V
  • BW203AD-4-86192087-TCD2012

Key Features:
Vibration Dampening: The BOMAG vibration coupling is expertly engineered to absorb and dissipate vibrations generated during the compaction process, minimizing operator fatigue and improving overall machine performance.
Enhanced Durability: Constructed from premium-grade materials, including rubber or polyurethane, this coupling is built to withstand the rigors of heavy-duty construction work, ensuring long-lasting durability and reliable operation even in the most challenging conditions.
Compatibility: Designed to seamlessly integrate with BOMAG road construction machinery, the vibration coupling is available in various sizes and configurations to ensure compatibility with different models, facilitating easy installation and maintenance.
Noise Reduction: By isolating vibrations and reducing machine resonance, the BOMAG vibration coupling helps minimize noise levels, creating a quieter working environment for operators and bystanders.
Improved Operator Comfort: With its ability to dampen vibrations and reduce machine-induced fatigue, the vibration coupling enhances operator comfort and productivity, allowing for extended periods of operation with reduced strain.
Maintenance Efficiency: Engineered for reliability and ease of maintenance, the BOMAG vibration coupling requires minimal upkeep, contributing to lower maintenance costs and downtime for road construction equipment.

Road construction compactors
Asphalt rollers
Soil compactors
Tandem rollers
Vibratory rollers

The suitability of a BOMAG vibration coupling for a particular model of road construction machinery depends on various factors, including the specifications of the machinery and the specific requirements of the application. However, BOMAG vibration couplings are typically designed to be compatible with a wide range of BOMAG road construction equipment, including:
Asphalt Rollers: BOMAG manufactures a variety of asphalt rollers, including tandem rollers, combination rollers, and pneumatic tire rollers. Vibration couplings designed for asphalt rollers are optimized to withstand the high-frequency vibrations generated during asphalt compaction.
Soil Compactors: BOMAG soil compactors are used for compacting various types of soil and aggregates in road construction and earthwork projects. Vibration couplings for soil compactors are engineered to provide effective vibration dampening while withstanding the heavy loads and harsh operating conditions encountered in soil compaction applications.
Tandem Rollers: Tandem rollers are versatile machines used for compacting asphalt, soil, and aggregates in road construction and other civil engineering projects. BOMAG offers a range of tandem rollers equipped with vibration couplings designed to deliver smooth and efficient compaction performance.
Vibratory Rollers: Vibratory rollers are specialized machines equipped with vibrating drums or plates for compacting soil, asphalt, and other materials. BOMAG vibration couplings for vibratory rollers are tailored to the specific requirements of these machines, providing optimal vibration isolation and stability during operation.
Other Road Construction Equipment: In addition to asphalt rollers, soil compactors, tandem rollers, and vibratory rollers, BOMAG manufactures a variety of other road construction equipment, such as pneumatic tire rollers, single drum rollers, and compactors. Vibration couplings suitable for these machines are designed to meet the unique performance and durability requirements of each application.

When selecting a BOMAG vibration coupling for a specific model of road construction machinery, it is essential to consult the manufacturer’s specifications and recommendations to ensure compatibility and optimal performance. Additionally, working with authorized BOMAG dealers or distributors can provide valuable assistance in identifying the most suitable vibration coupling for your equipment and application requirements.

Detailed Photos




The BOMAG vibration coupling is the perfect solution for optimizing the performance, efficiency, and longevity of road construction machinery, ensuring smooth and reliable operation in every compaction application.

Other Products



Packaging & Shipping


Purchase Processing



Company Profile

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible coupling

What are the torque and speed ratings for different sizes of flexible couplings?

The torque and speed ratings of flexible couplings can vary depending on their size, design, and material. Manufacturers typically provide specifications for each specific coupling model to ensure it is suitable for the intended application. Below are some general considerations regarding torque and speed ratings for different sizes of flexible couplings:

Torque Ratings:

The torque rating of a flexible coupling is the maximum amount of torque it can reliably transmit without experiencing excessive deformation or failure. It is essential to choose a coupling with a torque rating that exceeds the torque requirements of the application to ensure proper operation and avoid premature wear. Torque ratings are typically specified in Nm (Newton-meters) or lb-ft (pound-feet).

The torque capacity of a flexible coupling can increase with its size and design. Larger couplings, which have more substantial components and a larger flexible element, often have higher torque ratings compared to smaller couplings. Additionally, couplings with a more robust design, such as metallic couplings, generally have higher torque capacities compared to elastomeric couplings.

Speed Ratings:

The speed rating of a flexible coupling is the maximum rotational speed it can withstand while maintaining its structural integrity and performance. It is critical to select a coupling with a speed rating suitable for the application’s operating speed to avoid excessive wear and potential coupling failure. Speed ratings are typically specified in revolutions per minute (RPM).

Like torque ratings, the speed rating of a flexible coupling can be influenced by its size, design, and material. Larger couplings with more robust construction can often handle higher rotational speeds compared to smaller couplings. Metallic couplings, with their stiffer and more precise design, can also have higher speed ratings compared to elastomeric couplings.

Consulting Manufacturer Specifications:

To determine the torque and speed ratings for specific sizes of flexible couplings, it is essential to consult the manufacturer’s product specifications or technical datasheets. These documents provide detailed information about the coupling’s capabilities, including torque and speed ratings for each available size and model.

Application Considerations:

When selecting a flexible coupling, it is crucial to consider the torque and speed requirements of the specific application. Factors such as the power transmitted, the rotational speed of the machinery, and any transient or shock loads should be taken into account to ensure the selected coupling can handle the demands of the system.


The torque and speed ratings of flexible couplings can vary based on their size, design, and material. Manufacturers provide specific torque and speed ratings for each coupling model to ensure their suitability for different applications. Consulting manufacturer specifications and considering the application’s requirements are vital in selecting the right flexible coupling that can handle the torque and speed demands of the mechanical system.

flexible coupling

How does a flexible coupling help in torque and rotational speed control?

A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:

  • Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
  • Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
  • Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling’s components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
  • Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
  • Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
  • Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.

By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.

flexible coupling

How does a flexible coupling impact the overall reliability of connected equipment?

A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:

  • Misalignment Compensation: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
  • Vibration Damping: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
  • Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
  • Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
  • Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
  • Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
  • Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.

By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.

China Professional Premium Quality CHINAMFG Road Roller Accessories Vibration Coupling Vibration Isolation Coupling Flexible Coupling for Road Machinery Parts  China Professional Premium Quality CHINAMFG Road Roller Accessories Vibration Coupling Vibration Isolation Coupling Flexible Coupling for Road Machinery Parts
editor by CX 2024-05-13