This deep groove ball bearing carries radial and moderate axial loads on a single row of balls, with a bore of 90.0 mm, outside diameter of 190.0 mm and width of 43.0 mm. Net mass is 5.5 kg and the limiting speed reaches 2170 1/min. The design features seals on both sides and a steel sheet metal cage, with radial internal clearance C3 (Group 3) providing greater internal play than standard clearance. The C3 clearance compensates for thermal expansion during operation, making this bearing suited to applications where the shaft-bearing assembly heats up under load. Factory-fitted seals retain grease inside the bearing and block contaminants from entering, so no external sealing arrangement is required. Dimensionally and constructionally interchangeable with SKF 6318-2RS1/C3, NSK 6318DDUC3, and NTN 6318LLUC3.