Spider coupling is also called jaw coupling. It is mechanical part mainly used for connecting two rotating shafts in mechanical transmit of torque or rotation angle. The spider coupling is also used for protecting safety devices. The Jaw coupling can not be dismantled when the device is running. Spider coulings contains two parts: hubs and spider. The material for spider is polyurethane. It has different hardness. 98 shore and 92 shore are often required. Clamp type and set screw type mounting ways are available for the flexible coupling.

Jaw type coupling is a common type of flexible coupling. It is made of two metal hubs and a flexible spider. The hubs can be made of steel or aluminum. The spider coupler is compact size, backlash free. The jaw type coupling has the function of absorb vibration, compliant the radial and axial tolerance. Three mounting ways: clamp type, set screw type and keyway. Different size of spiders are suitable for different hub dimensions.