FFX 48-55 Guardian OEM Drive Coupler

The FFX 48-55 OEM Drive Coupler is a Guardian Couplings product used across multiple OEM equipment platforms. This Bowex-style curved-jaw coupling with elastomeric spider element is specified in portable air compressors, drilling equipment, and industrial machinery from several manufacturers. These couplings use an interference-fit jaw design where the elastomeric spider transmits torque between the driving and driven jaws while providing torsional damping and misalignment compensation. The FFX variant indicates a specific hub and element configuration within this size class.

When replacing this coupling, inspect the jaw profiles on both hubs for wear or deformation. The spider element should always be replaced with the coupling even if it appears serviceable. Follow the equipment manufacturer’s alignment and torque specifications during installation.

Stark Industrial Products carries Guardian and Bowex-style couplers for compressor and industrial equipment platforms.