A high-quality automobile bearing needs the following characteristics:

1. High-load capacity: High-quality automobile bearings should have high-load capacity, which can bear all kinds of loads generated by the vehicle during driving, and ensure that the bearings can still run stably under high load.

2. High-speed performance: Automobile bearings should have good speed performance, which can meet the requirements of high speed when vehicles are running at high speed, and ensure that the bearings do not generate too much friction and heat when running at high speed.

3. Wear resistance: High-quality bearings should be made of high-strength and wear-resistant materials, which can resist wear and fatigue and prolong the service life of bearings.

4. Low friction coefficient: The bearing should have a low friction coefficient to reduce energy loss and heat generation and improve the fuel economy of the vehicle.

5. Good sealing performance: The bearing should have good sealing performance to prevent dust, moisture and other impurities from entering the bearing and protect the bearing from pollution and corrosion.

6. High-temperature tolerance: The bearing should be able to run stably in high-temperature environment to ensure that the bearing will not fail under high-temperature conditions.

7. Low noise: High-quality bearings should be designed reasonably to reduce noise and vibration during operation and improve driving comfort.

To sum up, a high-quality automobile bearing should have the characteristics of high load capacity, high speed performance, wear resistance, low friction coefficient, good sealing performance, high temperature tolerance and low noise, so as to ensure the stable operation of the bearing under various working conditions and ensure the safety and reliability of the vehicle.