The Martin Quadra-Flex 5J 1-1/8″ steel sleeve shaft coupling flange is a high-quality mechanical power transmission component designed to connect rotating shafts while accommodating misalignment and reducing vibration. Manufactured from durable steel and precision-machined for reliability, this coupling flange is part of the Quadra-Flex system, which uses a flexible elastomer sleeve to transmit torque efficiently while absorbing shock loads.
With a 1-1/8″ finished bore, this flange is commonly used in conjunction with a matching coupling half and flexible element to form a complete shaft coupling assembly. It is engineered to handle torsional flexibility, helping extend equipment life by minimizing stress on connected components. The design requires no lubrication and allows for easy installation and maintenance.
This coupling flange is widely used in industrial machinery, pumps, compressors, conveyors, and motor-driven equipment where reliable torque transmission and vibration damping are critical. It is ideal for replacement, repair, or new installations in manufacturing and automation environments.
Key Features:
- 1-1/8″ finished bore for standard shaft applications
- Part of Martin Quadra-Flex coupling system
- Steel construction for strength and durability
- Accommodates misalignment, shock, and vibration
- No lubrication required for operation
- Easy installation and maintenance
- Designed for industrial power transmission systems
Applications:
- Electric motor to gearbox connections
- Pumps, compressors, and fans
- Conveyor and material handling systems
- Industrial machinery and automation equipment
- General power transmission and drive systems
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