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Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring

    Buy cheap Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring from wholesalers
     
    Buy cheap Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring from wholesalers
    • Buy cheap Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring from wholesalers

    Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring

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    Brand Name : Dayoo
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    Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring


    Industrial Silicon Nitride Ceramic Ring Sleeve: High-Precision Bearing Race & Seal Ring

    Product Introduction

    This product is an industrial ceramic ring sleeve manufactured from high-performance silicon nitride (Si3N4), specifically designed for precision machinery and demanding operating conditions. It features a dark gray color with a uniform, fine matte texture, reflecting the material's high density and superior quality. Structurally, it adopts a standard ring design with precise inner and outer diameters, flat end faces without chamfers, and uniform wall thickness, presenting a clean cylindrical ring profile. The high machining accuracy ensures smooth inner and outer walls free of defects, guaranteeing easy installation and stable operation. This silicon nitride ceramic sleeve combines excellent material properties with a precise structure, making it an ideal choice for enhancing equipment reliability and service life.

    Core Advantages

    • Exceptional Wear Resistance: High hardness and extremely low coefficient of friction significantly reduce wear on mating components.

    • Excellent High-Temperature Resistance: Maintains stable performance in high-temperature environments up to 1200°C without softening or deformation.

    • Outstanding Corrosion Resistance: Resists corrosion from most acids and alkalis, suitable for harsh environments like chemical processing.

    • High Strength and Rigidity: Excellent flexural strength and fracture toughness, capable of withstanding high-load conditions.

    • Good Insulation Properties: An excellent electrical insulating material, suitable for applications requiring electrical insulation.

    • Lightweight Design: Lower density than metal materials, contributing to equipment weight reduction.

    Typical Applications

    • Precision machine tool spindle bearing races

    • Mechanical seal rings for chemical pumps

    • Positioning sleeves in automation equipment

    • Structural components in semiconductor equipment

    • Insulating parts for high-temperature equipment

    Specifications Table

    ParameterTechnical Specifications
    Material CompositionSilicon Nitride (Si3N4)
    Product ColorDark Gray
    Material Density≥3.2 g/cm³
    HardnessHRA 90-94
    Flexural Strength≥600 MPa
    Fracture Toughness≥6.0 MPa·m¹/²
    Service Temperature≤1200 ℃
    Coefficient of Thermal Expansion3.2×10⁻⁶/℃

    Manufacturing Process

    Raw Material Formulation → Ball Milling and Mixing → Spray Granulation → Dry Pressing → Isostatic Pressing → Sintering → Non-Destructive Testing → Precision Grinding → Quality Inspection → Packaging and Shipping

    Usage Instructions

    1. Pre-Installation Preparation: Ensure the sleeve and mating part surfaces are clean and free of contaminants.

    2. Attention to Installation Direction: Install with end faces parallel, avoiding misalignment.

    3. Control Fit Tolerances: Maintain specified clearance according to drawing requirements.

    4. Avoid Impact Installation: Direct hammering is prohibited; use specialized tools is recommended.

    5. Regular Inspection and Maintenance: Periodically check for wear condition.

    After-Sales Service

    We provide comprehensive technical support and after-sales service. The product warranty period is 12 months. We承诺 (commit to) free repair or replacement for quality issues under normal use conditions. Lifetime technical consultation is available.

    FAQ

    • Q: What are the main advantages compared to metal sleeves?
      A: The main advantages are high temperature resistance, corrosion resistance, and wear resistance, resulting in a longer service life in harsh operating conditions.

    • Q: Is custom sizing supported?
      A: Yes, non-standard customization is supported, and specific dimensions can be machined according to your drawing requirements.

    • Q: How are the insulation properties?
      A: Silicon nitride is an excellent insulating material with high volume resistivity, suitable for insulation applications.



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