Genuine OEM Volkswagen Gearbox Grooved Ball Bearing, part number 02Z311235E. This precision-engineered bearing is designed to facilitate smooth, low-friction rotation of shafts and gears within the gearbox assembly, reducing wear and heat generation. It is a critical component for the efficient operation and longevity of the transmission. The bearing is made from high-quality steel and weighs approximately 0.347 kg. Installing a genuine OEM bearing ensures factory tolerances for vibration-free service life and optimal transmission performance.