Ceramic bearings have the following advantages in automotive brake systems:
1. High temperature stability: Ceramic bearings have excellent high temperature stability due to their material characteristics. In the braking system, prolonged braking friction can generate high temperatures and may cause thermal expansion and deformation of the bearings. Ceramic materials can better withstand high-temperature environments, reduce expansion and deformation, and thus help maintain stable braking performance.
2. Wear resistance: Ceramic materials have excellent wear resistance and can withstand high friction and wear between brake discs and pads. Compared to traditional metal bearings, ceramic bearings have a longer service life in brake systems, reducing the frequency of replacement and maintenance.
3. Reducing noise and vibration: Ceramic bearings can reduce noise and vibration in the braking system due to their high hardness and low friction characteristics. Traditional metal bearings may produce harsh braking noise due to friction, while ceramic bearings can effectively reduce noise levels and improve driving comfort.
4. Lightweight design: Ceramic bearings have lower density compared to metal bearings, so using ceramic bearings in brake systems can achieve lightweight design of components. Lightweight can reduce vehicle weight, improve fuel efficiency and range, and reduce the load on the braking system.
It should be pointed out that ceramic bearings also have some limitations in brake systems, such as high manufacturing costs. In addition, due to the brittleness of ceramic materials, fracture may occur under abnormal impact or overload conditions. Therefore, when selecting and applying ceramic bearings, it is necessary to comprehensively consider factors such as the working conditions, cost-effectiveness, and safety of the braking system.