The NTN NART40X is a high-quality yoke type track roller featuring a 40mm bore diameter, 80mm outside diameter, and an overall width of 29mm. It has an outer ring width of 27mm and weighs 0.61 kg. This track roller is part of the NART series, characterized by axial guidance provided by pressed-on side washers. Designed for outer ring rotation, it is ideal for applications such as cam mechanisms and linear motion in conveying equipment. It features a cylindrical outer ring, steel cage, and is an open type, suitable for operating temperatures from -20 to 120 °C.