Types of Commonly Used Bearing Materials

In machinery, bearings are crucial for smooth operation, and their materials determine performance. Here are some common ones.​

Bearing Steel
Bearing steel, especially high - carbon chromium steel, is widely used. It's hard, wear - resistant, and fatigue - resistant. In car wheels, it bears vehicle weight and road vibrations, ensuring stable rotation.​

Ceramic Materials ​
Ceramic materials are gaining popularity. They're low - density, hard, heat - resistant, and corrosion - resistant. In aircraft engines, ceramic bearings work well under high - temperature and high - stress conditions, enhancing engine efficiency.​

Composite Materials
Composite bearings combine materials like carbon fiber - reinforced materials with metal matrices. They're used in high - end electronics. In laptop cooling fans, they reduce weight and ensure stable high - speed rotation for heat dissipation.

In short, different bearing materials suit various applications. Picking the right one is key for machinery performance.