Genuine OEM Audi Differential Cylindrical Roller Bearing, part number 01L409144. This precision bearing is designed to support rotating components within the differential assembly, ensuring smooth power transfer and reducing friction. It is typically located at the front of the differential. Weighing 0.249 kg and measuring approximately 0.07 m in diameter, this bearing is manufactured to exacting standards. Choosing a genuine OEM bearing ensures factory tolerances, proper material hardness, and precise fitment for vibration-free service life and optimal drivetrain performance.