The QD Timing Pulleys, model IDC QD22H200-SD, are designed for precision timing applications. These pulleys feature a robust construction that ensures durability and reliability in various mechanical systems. With a diameter of 22 inches, they are compatible with standard timing belts and are ideal for use in industrial machinery. The pulleys are made from high-quality materials that resist wear and tear, ensuring a long service life. They meet industry standards for performance and safety, making them suitable for a wide range of applications.