Genuine OEM Audi Supercharger Needle Bearing, part number 06E145475. This precision-engineered needle bearing is crucial for supporting the rotating shafts within the supercharger assembly, minimizing friction and enabling efficient power delivery. It is located within the supercharger housing, facilitating the smooth rotation of the supercharger's internal components. Constructed for high-load applications, this compact bearing weighs approximately 0.044 kg and measures 0.026 meters in diameter. Using a genuine OEM needle bearing ensures the correct tolerances and material quality, which are vital for the high-speed, high-temperature environment of a supercharger, preventing premature wear and failure.