The REV L190-1-3/4K jaw coupling features a 1-3/4" bore with a keyway, designed for efficient power transmission in mechanical systems. This coupling is constructed from high-strength materials, ensuring durability and reliability in various applications. Its design allows for easy installation and maintenance, making it a practical choice for engineers. The coupling is ideal for use in motors, pumps, and other machinery requiring precise alignment and flexibility. It meets industry standards for performance and safety, providing peace of mind in demanding operational environments.