This cylindrical roller bearing carries a full complement roller set arranged in two rows, with a bore diameter of 55.0 mm, outside diameter of 90.0 mm and width of 26.0 mm. The outer ring has 1 rib and the inner ring has 3 ribs, giving a semi-locating design that guides the roller sets axially in one direction. Net mass is 0.622 kg, limiting speed 5200 1/min, reference speed 3100 1/min, radial internal clearance C3. The full complement roller arrangement gives high radial load capacity within a compact cross-section, while the semi-locating design allows axial displacement of the shaft in one direction, useful where thermal expansion or manufacturing tolerances must be compensated. C3 internal clearance suits operating conditions with elevated temperature rise or interference fits. The open design without seals requires external sealing and a separate lubrication supply, either grease or oil, matched to the reference speed given.