The RLN Series Jaw Couplings (A, B, H Types) are versatile and reliable flexible couplings designed for high-performance torque transmission across diverse industrial applications. These couplings are engineered to provide secure shaft connection, vibration damping, shock absorption, and misalignment compensation.
The RLN family includes multiple variants (A, B, and H types) to suit different torque, bore, and operational requirements, making them ideal for applications where flexibility, reliability, and ease of maintenance are essential.
RLN Series Variant Overview
• A Type: Compact design for general-purpose applications
• B Type: Enhanced torque capacity with larger bore options
• H Type: Heavy-duty variant for high torque with Spacer options
Ensures consistent power transfer across shafts while absorbing dynamic loads.
Accommodates angular and parallel misalignment, protecting connected shafts and bearings.
Elastomeric spider absorbs shocks and reduces torsional vibrations for smooth operation.
Prevents direct hub contact, reducing wear, noise, and maintenance needs.
No lubrication required, ensuring cost-effective and hassle-free performance.
Simplified hub and elastomer design allows quick installation and element replacement, minimizing downtime.
Components:
Metallic Hubs (A / B / H Types)
High-quality cast iron or steel, engineered for secure shaft mounting and torque transmission.
Elastomeric Spider (Flex Element)
Available in multiple materials:
• NBR (Buna-N) – General-purpose damping
• Polyurethane – Higher torque and wear resistance
• Hytrel® – High temperature and high torque capability
Optional Spacer / Retaining Elements
For easier maintenance or specific installation requirements.
Working Principle:
Torque is transmitted through the compression of the elastomeric spider between the jaws of the hubs. The flexible element absorbs shocks and accommodates misalignment, while the hub type (A, B, or H) determines the torque capacity and shaft connection style.
Advantages
• Multiple variants for diverse torque and operational needs
• Reliable and flexible coupling for industrial machinery
• Easy maintenance and quick element replacement
• Shock and vibration absorption for equipment protection
• Long service life with minimal wear
Typical Applications
RLN Series Jaw Couplings are widely used in:
• Electric motor and gearbox drives
• Pumps, compressors, and fans
• Conveyors and material handling systems
• Process and packaging machinery
• Heavy-duty and continuous operation equipment
Ideal for medium to heavy-duty applications where reliability, flexibility, and maintenance convenience are key.
Optional Variants & Customization
• A, B, and H types for different torque capacities and shaft sizes
• Spacer or hub modifications for specific installation requirements
• Custom bore, keyway, and fit as per DIN / ISO standards
• Anti-corrosion coatings for harsh environments
Provides flexibility across multiple torque and application requirements
Reduces downtime with easy elastomer replacement
Absorbs shock and vibration to protect connected machinery
Proven reliability in diverse industrial environments
Our team of experts is ready to assist you in selecting the perfect power transmission components for your specific applications.
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Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.
Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.
Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.
Yes. Our couplings are engineered to handle demanding torque and speed requirements with minimal vibration and backlash, ensuring smooth and reliable power transmission under extreme conditions.
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