The Komatsu 22M5424390 is a genuine OEM track roller assembly designed for various Komatsu PC series hydraulic excavators, including models like the PC200-8, PC220-8, PC240-8, and PC300-8. This critical undercarriage component supports the machine's weight and guides the track chain, ensuring stable and efficient movement. Manufactured to Komatsu's stringent quality standards, it provides exceptional durability and optimal performance in demanding operating conditions. With an outer diameter of 200 mm and a width of 100 mm, this track roller is engineered for precise fitment and long service life.