Comparison of Technical Performance Between Silicon Nitride Bearing Balls and Steel Bearing Balls
Selecting the right bearing ball material requires more than comparing hardness or purchase price. Instead, engineers must evaluate rotational speed, contact stress, lubrication, temperature, electrical exposure, dimensional stability, and maintenance requirements. Silicon nitride ceramic balls offer several advantages in high-speed and electrically sensitive systems, whereas steel balls remain a practical choice for many conventional and impact-prone applications.