Here are the key points about ceramic bearings:

What is ceramic?

· Ceramic materials are derived from clay and made through a heating/baking process. They are commonly found in art objects, utensils, tiles, brake discs, etc.

Properties of ceramic bearings:

· Ceramic bearings are lighter, more wear-resistant, and electrically insulating compared to standard steel bearings.

· There are two main types:

1. Hybrid bearings - have ceramic balls/rollers and steel rings

2. Full ceramic bearings - made entirely of ceramics like silicon nitride or zirconium oxide

· Key advantages:

· Electrically insulating - prevent current flow that can damage bearings

· Suitable for high speeds

· Highly resistant to wear, abrasion, corrosion, and high temperatures

· Ceramic bearings have longer life and require less maintenance than steel bearings.

Considerations:

· The manufacturing process for ceramic bearings is complex and energy-intensive, making them more expensive.

· It's important to determine which features are most important for your specific application before choosing between steel, hybrid, or full ceramic bearings.

Overall, ceramic bearings offer significant benefits in certain applications, especially with the growth of electric vehicles, but the production costs must be weighed against the performance advantages.