The NTN NATR40XLL/3AS/3AS is a high-quality genuine NTN yoke type track roller designed for applications requiring robust guidance and support. Featuring an outer diameter of 40 mm, a width of 20 mm, and a bore diameter of 17 mm, this track roller is equipped with labyrinth seals on both sides to protect against contaminants and retain lubrication. It is pre-lubricated with grease and constructed from durable bearing steel, ensuring reliable operation in temperatures from -20 to +120 °C. The design includes an inner ring, steel sheet cage, and axial guidance by flanges, making it suitable for mounting on a shaft.