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  • R+W Elastic Jaw Couplings  EK1
  • R+W Elastic Jaw Couplings  EK1
R+W Elastic Jaw Couplings EK1

With keyway installation

Specifications: 1950-25000Nm


Crimp Design

Can be customized according to demand

Low backlash (keyway)


Bushing: GGG40

Elastomer: Abrasion Resistant Heat Stabilized TPU


Two coaxial, fully split bushings with jaws and clamping nut. 5 press-fit elastomers with zero backlash; standard model is insulated.



Two coupling sleeves with concave jaws with high concentricity.

Fitting clearance H7+keyway DIN6885+fastening screw DIN916 or use pre-drilling method

Temperature Range: Depends on the Torx elastic ring selected.

Torsional rigidity: Torx-shaped elastic rings with different Shore hardness are available for transmission optimization.

Fitting clearance: 0.01 - 0.05 mm for bushing connection.


Coupling sleeves: High-strength aluminum up to 450 series, steel from 800 series

Elastic ring: Made of precision moulded, extremely wear-resistant and heat-stable plastic material

Speed: Standard see table. Couplings should be finely balanced (please specify) above 10,000 rpm.

technical parameter:

Rated torque: 0.5 - 2.150 Nm

Speed up to 28,000 rpm

EK1 type elastic coupling product features:

economical structure

Axial installation

It can be adjusted and modified according to the special application requirements of customers

good concentricity

Buffer damping

electrical insulation


Low clearance due to keyway connection


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