Reference-aware inquiries
Your message arrives with the product ID and reference context, which makes quoting and follow-up faster.
2.5M+ bearings and power transmission products with worldwide shipping support.
Product inquiry
This page is set up for fast commercial follow-up from the world's largest bearings and power transmission database. Confirm the reference, add your quantity or specification needs, and we will reply with availability, lead time, and the next sourcing step.
Product details
The .4MM-C SI3N4 BALL GRADE 10 (1 PC) is a precision-engineered ceramic ball made from silicon nitride (Si3N4), measuring 0.4 millimeters in diameter. Known for its exceptional hardness and lightweight properties, this grade 10 ball offers excellent wear resistance and high-temperature stability, making it ideal for applications requiring superior strength and minimal friction. Perfect for use in high-performance bearings, aerospace components, or specialized industrial machinery, this single piece ensures consistent quality and precision. NSK
Why work with us
Your message arrives with the product ID and reference context, which makes quoting and follow-up faster.
Use email, phone, WhatsApp, SMS, or Viber depending on how urgent the request is for your team.
The catalog is connected to the long-running Loziska-Policka.cz business and a visible Czechia-based support address.