02250099-930 Sullair OEM Drive Coupler | Heavy-Duty Flexible Compressor Coupling

The 02250099-930 Sullair OEM Drive Coupler is an original equipment coupling engineered and supplied for use in Sullair rotary screw air compressor drive systems. This component connects the motor shaft to the compressor air-end, allowing rotational power to be transferred efficiently while isolating vibration and compensating for minor misalignment between components.

In rotary screw compressors, precise alignment and vibration control are critical to maintaining air-end efficiency and bearing life. The 02250099-930 coupler is designed specifically to meet Sullair’s internal engineering requirements for elastomer stiffness, hub geometry, and balance. This ensures consistent torque transmission and protects the drive train from torsional shock during startup, shutdown, and load changes.

Unlike aftermarket or “OEM-style” couplers, this is a true OEM Sullair part, manufactured to the same specifications as the factory-installed coupling.

Key Features and Benefits

• Genuine Sullair OEM Part – Manufactured and supplied by Sullair, not aftermarket or aftermarket-equivalent.

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

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

• Smooth Torque Transmission – Provides stable, backlash-free power transfer between motor and air-end.

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

• Heavy-Duty Construction – Designed for continuous-duty rotary screw compressor environments.

• OEM Reliability – Preserves original compressor performance and service life.

Functional Design and Performance

The 02250099-930 Sullair OEM Coupler uses a resilient elastomer element bonded to precision-machined metal hubs. This design allows the coupler to act as a torsional buffer, reducing vibration and load spikes that would otherwise be transmitted directly into the compressor air-end and motor bearings.

During compressor operation, torsional vibration can accelerate bearing wear, cause shaft fatigue, and lead to alignment drift. The elastomer element within this OEM coupler absorbs these forces, helping maintain mechanical stability and quiet operation across long run cycles.

Because this coupling is manufactured to Sullair’s exact specifications, the elastomer hardness and internal geometry are tuned specifically for Sullair compressor operating characteristics. This ensures predictable damping behavior and long-term durability that aftermarket alternatives often fail to provide.

Applications and Compatibility

The 02250099-930 Sullair OEM Drive Coupler is used in a range of Sullair rotary screw air compressor models and industrial compressed air systems, including:

• Stationary rotary screw air compressors

• Portable compressor units

• Industrial compressed air installations

• Compressor rebuilds and scheduled maintenance programs

This coupler is intended as a direct OEM replacement for the original factory-installed part. Using the correct OEM coupler ensures proper alignment, vibration isolation, and protection of critical drive components.

Technical Specifications

• OEM Part Number: 02250099-930

• Manufacturer: Sullair

• Component Type: Flexible elastomeric drive coupler

• Material: Steel hubs with bonded elastomer element

• Function: Torque transmission with vibration damping

• Misalignment Capability: Designed to accommodate angular, axial, and parallel misalignment

• Operating Environment: Rotary screw air compressor drive systems

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

Performance Advantages of Using OEM

Using the 02250099-930 genuine Sullair OEM coupler ensures your compressor operates exactly as designed. Aftermarket couplers may appear similar but often differ in elastomer stiffness, balance, or dimensional tolerances, which can lead to increased vibration, reduced efficiency, and premature air-end failure.

This OEM coupler provides consistent performance under load, reduces mechanical stress on connected components, and helps extend the overall service life of the compressor. For critical compressed air systems, genuine OEM parts are essential to maintaining reliability and minimizing downtime.

Why Choose Stark Industrial Products

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

• Genuine OEM parts only

• Fast order processing and secure packaging

• Knowledgeable technical support

• Trusted supplier for industrial air compressor components

If you need help confirming compatibility with your specific Sullair compressor model or serial range, our team is ready to assist.