2657777286 Atlas Copco OEM Drive Coupler | Compressor Motor-to-Air-End Coupling

The 2657777286 Atlas Copco OEM Drive Coupler is an original equipment coupling designed specifically for use in Atlas Copco rotary screw air compressor drive assemblies. This component connects the electric motor to the compressor air-end, allowing rotational power to be transmitted efficiently while absorbing torsional vibration and compensating for minor shaft misalignment.

In rotary screw compressors, the drive coupler is one of the most critical mechanical interfaces in the entire machine. Incorrect elastomer properties, insufficient vibration damping, or dimensional inaccuracies can result in excessive vibration, accelerated bearing wear, shaft damage, and premature air-end failure. The 2657777286 coupler is manufactured to Atlas Copco’s OEM engineering standards to ensure correct fitment, balance, and long-term operational reliability.

This coupler is engineered for continuous-duty compressor environments where equipment operates under variable loads, temperature changes, and extended run cycles.

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Key Features and Benefits

• Genuine Atlas Copco OEM Part – Factory-specified original equipment component

• Exact Fit & Function – Direct replacement for the original factory-installed drive coupler

• Elastomeric Flexible Design – Absorbs torsional vibration and dampens shock loads

• Smooth Torque Transmission – Stable, backlash-free power transfer from motor to air-end

• Misalignment Compensation – Accommodates angular, axial, and parallel shaft misalignment

• Heavy-Duty Construction – Designed for continuous-run industrial compressor service

• OEM Reliability – Preserves original compressor performance and service life

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Functional Design and Performance

The 2657777286 OEM drive coupler utilizes a resilient elastomer element bonded to precision-machined metal hubs. This construction allows the coupler to act as a torsional buffer, isolating vibration and transient torque spikes before they are transmitted into the compressor drive train.

During startup, shutdown, and load transitions, rotary screw compressors generate torsional shock that can place excessive stress on shafts, bearings, and seals. The elastomer element within the 2657777286 absorbs these forces, helping maintain alignment, reduce mechanical noise, and protect adjacent components.

Because this is a genuine Atlas Copco OEM component, the elastomer hardness, bonding process, and hub geometry are matched exactly to compressor operating characteristics. This ensures predictable damping behavior and consistent performance throughout the service life of the coupler.

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Applications and Compatibility

The 2657777286 Atlas Copco OEM Drive Coupler is commonly used in:

• Atlas Copco rotary screw air compressors

• Industrial compressed air systems

• Motor-to-air-end drive assemblies

• Compressor rebuilds and preventative maintenance programs

This coupler is intended as a direct OEM replacement for the original factory-installed unit referenced by part number 2657777286.

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Technical Specifications

• OEM Part Number: 2657777286

• Manufacturer: Atlas Copco

• Component Type: Flexible elastomeric drive coupler

• Material: Steel hubs with bonded elastomer element

• Function: Torque transmission with vibration damping

• Misalignment Capability: Angular, axial, and parallel

• Operating Environment: Industrial rotary screw air compressors

• Maintenance: Lubrication-free; inspect during routine compressor service

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Advantages of Using a Genuine Atlas Copco OEM Coupler

Using the 2657777286 genuine Atlas Copco OEM drive coupler ensures your compressor drive system operates exactly as designed. Non-OEM or incorrect couplers may differ in elastomer stiffness, balance, or dimensional tolerances, which can introduce excessive vibration, reduce efficiency, and shorten air-end life.

This OEM coupler delivers consistent torque transmission, minimizes mechanical stress on connected components, and helps extend the service life of bearings, shafts, and compressor air-ends. For mission-critical compressed air systems, genuine OEM components are essential for maintaining uptime and reliability.

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Why Choose Stark Industrial Products

Stark Industrial Products supplies verified genuine OEM compressor components, including original Atlas Copco drive couplers. We do not substitute aftermarket equivalents when OEM parts are specified.

• Genuine OEM Atlas Copco parts

• Fast order processing and secure packaging

• Knowledgeable technical support

• Trusted supplier for industrial air compressor components

If you need assistance confirming compatibility with a specific Atlas Copco compressor model or serial range, our team is ready to help.