Overview
The R+W EK2 aluminum coupling with elastomer insert is a precision flexible shaft coupling designed for industrial automation and conveying applications. Featuring two concentrically machined hubs with curved jaws and high-strength aluminum construction up to series 450, with wear-resistant thermally stable TPU elastomer insert, this coupling delivers smooth, reliable power transmission with excellent vibration absorption.
Key Features
- Backlash-free, vibration damping, electrically isolating solution with easy mounting and press fit design
- Easy mounting, high concentricity, and vibration damping capabilities
- Smooth running and reliable transmission with absorption of vibration and shock
- Two coupling hubs concentrically machined with curved jaws for precise connection
- Wear-resistant TPU elastomer insert ensures long-lasting performance
- Available in multiple series sizes for various torque requirements
Technical Specifications
- Hub Material (up to Series 450): High-strength aluminum
- Elastomer Insert Material: Wear-resistant, thermally stable TPU
- Design: Clamping hub with concentrically machined jaws
- Operating Temperature Range: -30°C to +120°C
- Shaft-to-Hub Clearance: 0.01 to 0.05 mm overall tolerance
- Elastomer Hardness Options: Type A, B, or C (varying durometer grades)
- Balance Grade: ISO 2.5 standard, 2.5 balance grade available on request
- Installation: Press fit, keyway optional
Typical Applications
The R+W EK2 coupling is well-suited for:
- Conveyor systems and power transmission
- Industrial automation and machinery
- Drive systems requiring vibration isolation
- Applications where electrical isolation is beneficial
- Precision motion control systems
Compatibility & Replacements
Compatible With
- Industrial motors and gearboxes
- Conveyor drive systems
- Pump and fan couplings
- Automation equipment requiring flexible shaft coupling
- Systems operating in the -30°C to +120°C temperature range
Replaces / Drop-In Replacement For
This R+W EK2 coupling is compatible with other R+W EK2 series configurations of the same size. Verify coupling size and bore diameter compatibility with your system integrator before ordering to ensure proper fit and torque rating.
Works With
- R+W precision couplings ecosystem
- Standard ISO shaft connections
- Clamping hub attachment systems
- Both metric and inch bore specifications
