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Nil-Union Couplings

Elastic coupling Nil Union model 1

The Nil-Union elastic coupling model 1 is very suitable at the entrance and exit of gearboxes, for machines or heavy-duty devices and also for machines with frequent stops and starts under full load or with alignment problems. Shaft misalignment is considered the second most common source of vibration after unbalance.


The elastic coupling is made up of metal pinions and nylon crowns. Given the characteristics of the nylon used in the manufacture of these crowns, there is no wear on their contact surface, they have a great power to absorb vibrations and high mechanical resistance.


Applicable to torque limiters, clutches, brakes and everything that requires assembly of two aligned shafts.


These deviations can be presented in three different ways:

  • Parallel or radial misalignment: occurs when the center lines of the shafts are parallel apart.
  • Angular or axial misalignment: this time the deviation is observed by the angle formed between the central lines in a plane in space.
  • Combined misalignment: This is the most common of situations, and it occurs exactly when there are parallel and angular deviations in the same set of center lines.



Great absorption of vibrations.

High mechanical resistance.

Economical solution.

Without maintenance.


The Nil-Union Elastic Coupling Model 1 can be used for different types of machinery such as:

Packaging machines

Industrial printing

Renewable energy 

Cable industry

Machine tools


You can download the technical sheet of the product at the following link. So that you can observe the technical characteristics and dimensions of the product.


Download technical specifications Catalog


For more information about the products we have at EIDE, do not hesitate to contact us

Elastic coupling Nil Union model 1
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Elastic coupling Nil Union model 1
Elastic coupling Nil Union Model 1 is ideal for inlets and outlets on reducers, for heavy machinery and machines that frequently stop and start while fully loaded.
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