This cylindrical roller bearing carries radial load through a single row of rollers guided by two ribs on the outer ring and one rib on the inner ring, forming a semi-locating configuration that allows axial displacement in one direction while restraining it in the other. Bore diameter is 80.0 mm, outside diameter 140.0 mm, width 33.0 mm, and net mass 2.28 kg. The limiting speed is rated at 9000.0 1/min, with a reference speed of 3400.0 1/min. The E design indicates an optimized internal geometry for increased load carrying capacity, and the bearing is fitted with an M1A machined brass cage. Radial internal clearance C3 (Group 3) provides increased clearance to accommodate thermal expansion and shaft fit interference, useful where operating temperatures raise the effective preload. The semi-locating arrangement permits the bearing to accept axial displacement of the shaft relative to the housing, making it suitable for mounting positions where thermal growth along the shaft must be absorbed without introducing additional axial load on the rollers. The cage design supports stable roller guidance at the stated speed ratings.