Design Features

Silicon nitride ceramic bearing rollers, also known as high-strength wear-resistant ceramic bearing cylinders, demonstrate the excellent 

properties of silicon nitride as a high-performance material, suitable for applications requiring extreme durability and performance.

Excellent Mechanical Strength and Wear Resistance

Silicon nitride boasts a Vickers hardness of up to 1500 HV and a flexural strength of 600 MPa, giving the bearing rollers exceptional wear 

resistance and fracture resistance under high load conditions.

Excellent Corrosion Resistance and Heat Resistance

These bearing rollers can withstand operating temperatures up to 1200°C, making them suitable for high-temperature environments. Their 

chemical stability ensures long service life even in corrosive environments.

Low Density and High Performance

Silicon nitride has a density of only 3.2 g/cm³. Compared to traditional metal materials, its low density helps reduce overall structural weight, 

thereby improving the operating efficiency and speed of mechanical equipment.

Smooth Surface Treatment

The bearing rollers feature a highly smooth surface treatment, effectively reducing friction, improving bearing operating efficiency, and 

significantly reducing heat generation—crucial characteristics for high-speed operation.

Application areas

Silicon nitride ceramic bearing rollers perform exceptionally well in several high-end applications:

Aerospace

In the aerospace industry, these bearing rollers are used in engines and other critical aerospace components that need to withstand extreme 

temperature and pressure conditions.

Automotive Industry

In the powertrain systems of high-performance automobiles, silicon nitride bearing rollers reduce component weight, improving fuel 

efficiency and engine performance.

Electronic Equipment

In high-speed rotating electronic equipment, such as hard disk drives and high-speed motors, the use of silicon nitride bearing rollers can 

improve operating efficiency and equipment lifespan.

Industrial Machinery

In high-load and high-speed industrial applications, such as textile machinery and production line equipment, these bearing rollers provide 

a solution with high efficiency and low maintenance requirements.

Silicon nitride ceramic bearing rollers are an ideal replacement for traditional metal rollers, especially in applications requiring extreme 

performance and durability. Their unique material properties, such as high strength, wear resistance, corrosion resistance, and heat resistance, 

enable them to excel in high-speed, high-load, and high-temperature environments. These bearing rollers significantly improve the efficiency 

and reliability of the overall system by reducing energy consumption and extending equipment life, meeting the modern industry's pursuit 

and demand for high-performance materials.

In the field of precision ceramic machining and customization, our company is committed to producing various high-performance ceramic 

components, including zirconia ceramics, silicon nitride, and aluminum nitride. These ceramic components possess excellent thermal stability, 

electrical insulation, high-temperature stability, and wear resistance, and are widely used in critical fields such as aerospace, electronics, 

machinery, military, and automotive. Our products, with their superior performance and reliability, provide customers with crucial support 

and assurance, helping them improve production efficiency and optimize product performance.