Jaw Type Flexible Shaft Couplings

The Reliable, Versatile Solution for General Purpose Power Transmission

Jaw couplings are one of the most widely used and trusted components for connecting rotating shafts in industrial machinery. They provide a cost-effective and dependable solution for transmitting torque, damping system vibration, and accommodating minor shaft misalignment.

Yile Machinery manufactures a complete range of jaw type flexible couplings, also known as spider couplings. Our couplings consist of two high-strength metal hubs and a flexible elastomer "spider" insert, providing a reliable connection for motors, pumps, gearboxes, fans, and conveyor drives.

Key Features & Benefits:

• Vibration Damping & Shock Absorption: The polyurethane or rubber spider acts as a cushion between the metal hubs, absorbing shock loads and damping torsional vibration. This protects motor and pump bearings, extending the life of your equipment.

• Accommodates Misalignment: Jaw couplings effectively compensate for small parallel, angular, and axial misalignments between shafts, simplifying installation and reducing stress on connected components.

• Fail-Safe Design: If the elastomer spider fails due to extreme overload or wear, the jaws of the two hubs interlock, ensuring torque is still transmitted. This metal-to-metal contact provides an audible warning and prevents a complete, unexpected loss of power to the driven machine.

• Custom Machined Bores: We supply couplings with bores machined to your exact specifications, including standard keyways and set screws. This ensures a perfect, secure fit on your motor and machine shafts right out of the box.

• Choice of Materials: Hubs are available in materials like C45 steel, aluminum, or cast iron. Spiders are available in different elastomers (e.g., Polyurethane, Hytrel, Rubber) to suit your specific torque, temperature, and chemical resistance needs.

The Go-To Coupling for Countless Applications

Thanks to their versatility and reliability, jaw couplings are the industry standard for light-to-medium duty applications, including:

• Pump & Motor Connections

• Fan and Blower Drives

• Gearbox Input/Output Shafts

• Conveyor Systems

• Mixers and Agitators

• General Machine Tools

To order, simply provide us with the required shaft diameters for each hub, and any specific keyway dimensions. Our team can help you select the right coupling size and spider material for your horsepower and application requirements.