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​​Custom Through-Hole Sapphire Bearings Precision Sliding Bearing​

optical color sapphire crystal
October 10, 2025
Category Connection: Sapphire Parts
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Tags:
#sapphire tube #sapphire bearings #sapphire windows
Brief: Discover the precision and durability of Custom Through-Hole Sapphire Bearings, designed for high-performance sliding applications. Made from synthetic sapphire with a Mohs hardness of 9, these bearings offer exceptional wear resistance, low friction, and stability in extreme environments. Ideal for precision instruments, industrial automation, and high-end equipment.
Related Product Features:
  • Made from synthetic sapphire (α-Al₂O₃) with purity ≥99.99% for superior performance.
  • Mohs hardness of 9 ensures exceptional wear and impact resistance.
  • Low friction coefficient (0.08-0.12 against steel) for smooth operation.
  • Operates in extreme temperatures from -200°C to +1800°C.
  • Mirror-grade surface finish (Ra ≤0.005μm) for precise positioning.
  • Resistant to acids, alkalis, and oxidation for long-term reliability.
  • High thermal conductivity (25.12 W/m*K @100°C) for efficient heat dissipation.
  • Widely used in precision instruments, industrial automation, and extreme environment equipment.
Faqs:
  • What makes sapphire bearings ideal for precision instruments?
    Sapphire bearings offer ultra-low friction, high wear resistance, and stability under high-frequency operations, ensuring accurate measurements and long-term reliability in precision instruments.
  • Can sapphire bearings withstand corrosive environments?
    Yes, sapphire bearings are highly resistant to acids, alkalis (except HF), and oxidation, making them suitable for harsh and corrosive environments.
  • What temperature range can sapphire bearings operate in?
    Sapphire bearings can operate in extreme temperatures ranging from -200°C to +1800°C, ensuring performance in both high and low-temperature applications.
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