The 5309 NR/C3 TTN Double Row Angular Contact Ball Bearing is designed for high-load applications, featuring a robust construction that supports both radial and axial loads. With an inner diameter of 45 mm, outer diameter of 100 mm, and a width of 42 mm, it is ideal for various industrial machinery. The NR designation indicates a snap ring groove for easy installation. The C3 clearance allows for thermal expansion, making it suitable for high-speed operations. This bearing meets ISO standards, ensuring reliability and performance in demanding environments.