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Silicon Nitride Bearings

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EPI Materials is a trusted supplier of high-tech materials. Our Silicon Nitride Bearings are designed to deliver superior performance in various challenging applications.

Material Silicon Nitride (Si3N4)
Diameter Range Customizable
Length Range Customizable
Appearance Smooth, dark gray to black
Density 3.2 g/cm³
Hardness 1500 HV
Elastic Modulus 310 GPa
Thermal Expansion Coefficient 3.2 x 10-6 /°C
Working Temperature Up to 1000°C

Description

Comparison with Other Bearing Materials

Property Silicon Nitride (Si3N4) Steel Zirconia (ZrO2)
Density 3.2 g/cm³ 7.8 g/cm³ 6.0 g/cm³
Hardness 1500 HV 700 HV 1200 HV
Elastic Modulus 310 GPa 210 GPa 210 GPa
Thermal Expansion Coefficient 3.2 x 10-6 /°C 11.5 x 10-6 /°C 10.5 x 10-6 /°C
Corrosion Resistance Excellent Poor Very Good
Wear Resistance Excellent Good Very Good
Electrical Insulation Yes No Yes
Maximum Working Temperature Up to 1000°C Up to 300°C Up to 1000°C

Physical and Chemical Properties

  • High Hardness and Strength: Silicon Nitride Bearings offer exceptional hardness and strength, making them ideal for applications where durability is critical.
  • Low Density: At 60% lighter than steel, these bearings contribute to weight reduction in various applications.
  • High Wear Resistance: Excellent wear resistance ensures long service life and reliability.
  • Thermal Stability: Capable of withstanding high temperatures without losing integrity.
  • Corrosion Resistance: Resistant to most acids and alkalis, ensuring longevity in harsh environments.
  • Electrical Insulation: Non-conductive, making them suitable for electrical and electronic applications.

Applications

Silicon Nitride Bearings find applications in various industries and settings due to their exceptional properties:

  • High-Speed Machinery: Used extensively in high-speed machinery for smooth rotation and reduced friction.
  • Aerospace Components: Employed in aerospace applications for their lightweight properties and resistance to high temperatures.
  • Automotive Industry: Utilized in automotive engines and transmissions for their durability and performance.
  • Medical Devices: Integrated into medical equipment for their biocompatibility and ability to withstand sterilization processes.
  • Chemical Processing: Applied in chemical processing equipment for their excellent corrosion resistance and stability.

Packaging and Delivery Standards

At EPI Materials, we ensure that our Silicon Nitride Bearings are packaged to meet the highest standards of safety and quality:

  • Packaging: Depending on the size and quantity, products may be vacuum-packed or sealed in robust, cushioned boxes to prevent any damage during transit.
  • Labeling: Each package includes both external and internal labeling. External labeling provides clear information such as customer name, order number, package quantity, and weight. Internal labeling consists of product details and batch numbers.
  • Delivery: With our warehouses located in California, we offer prompt delivery within the US and internationally. Shipping options include standard, expedited, and overnight services to meet your needs.

Pre-and-Post Sales Support

At EPI Materials, we prioritize your satisfaction from the initial inquiry to post-purchase support:

  • Sample Provision: Upon customer request, we offer sample products to ensure they meet your specifications.

After-Sales Commitment – EPI Materials is dedicated to:

  • Technical Assistance: Our team of experts is available to address any technical inquiries or concerns regarding our Silicon Nitride Nozzles.
  • Returns and Replacements: Our hassle-free return and replacement policy allows for requests within 30 days of receiving the product. Please ensure all requirements are confirmed before placing an order, as unmet requests at the time of purchase cannot be accepted as reasons for returns or exchanges.

Why Choose EPI Materials?

  • Competitive Pricing: We offer high-quality materials at competitive prices to ensure you receive the best value for your purchase.
  • Extensive Inventory: Our extensive inventory means we can fulfill orders quickly and efficiently.
  • Quality Assurance: Our products undergo rigorous quality control checks to ensure they meet industry standards.
  • Expertise: With years of experience in the field, our knowledgeable team can provide the insights and solutions you need.
  • Global Reach: With headquarters in Nevada and a warehouse in California, we serve customers worldwide with reliable and timely delivery.

Experience the superior performance of our Silicon Nitride Bearings and the exceptional service of EPI Materials. Contact us today to place your order or to learn more about our products.

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