SHANGHAI FAMOUS TRADE CO.,LTD
| Payment Terms | T/T |
| Delivery Time | 2-4 Weeks |
| Thickness | 0.5–300 mm |
| Size Tolerance | ±0.01 mm |
| Edge Finish | Ground and beveled |
| Surface Quality | Standard 40-20 scratch-dig |
| Surface Flatness | Best λ/4 @ 633 nm |
| Parallelism | ≤3 arc min (≤0.9 mrad) |
| Clear Aperture | >80% of central diameter |
| Hardness (Knoop) | 1370 kg/mm² |
| Young's Modulus | 3.4 × 10¹¹ N/m² |
| Thermal Conductivity | 22 W/m·K |
| Brand Name | ZMSH |
| Place of Origin | SHANGHAI |
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Product Specification
| Payment Terms | T/T | Delivery Time | 2-4 Weeks |
| Thickness | 0.5–300 mm | Size Tolerance | ±0.01 mm |
| Edge Finish | Ground and beveled | Surface Quality | Standard 40-20 scratch-dig |
| Surface Flatness | Best λ/4 @ 633 nm | Parallelism | ≤3 arc min (≤0.9 mrad) |
| Clear Aperture | >80% of central diameter | Hardness (Knoop) | 1370 kg/mm² |
| Young's Modulus | 3.4 × 10¹¹ N/m² | Thermal Conductivity | 22 W/m·K |
| Brand Name | ZMSH | Place of Origin | SHANGHAI |
| High Light | Wear Resistant Sapphire Bearing ，Sapphire Bearing Precision Instruments ，Sapphire Bearing For Precision Instruments | ||
Sapphire Bearing Wear-Resistant Gemstone Bearings for Precision Instruments
Sapphire bearings are high-performance components made from synthetic sapphire (single-crystal Al₂O₃), renowned for their extreme hardness, excellent wear resistance, and chemical stability. Ideal for precision instruments, high-end industrial equipment, aerospace, and medical applications, sapphire bearings ensure low friction, long service life, and high dimensional accuracy.
Ultra-High Hardness
Mohs hardness: 9, second only to diamond
Superior wear resistance compared to metal bearings
Suitable for high-load and high-friction applications
Corrosion Resistance
Resistant to acids, bases, and most chemicals
Suitable for harsh and corrosive environments
High-Temperature Resistance
Stable performance up to 1800°C
Low Friction Coefficient
Smooth surface reduces energy loss
Improves operational efficiency
High Precision
Machined to tight tolerances for demanding applications
| Property | Specification |
|---|---|
| Thickness | 0.5–300 mm |
| Size Tolerance | ±0.01 mm |
| Edge Finish | Ground and beveled |
| Surface Quality | Standard 40-20 scratch-dig |
| Surface Flatness | Best λ/4 @ 633 nm |
| Parallelism | ≤3 arc min (≤0.9 mrad) |
| Clear Aperture | >80% of central diameter |
| Hardness (Knoop) | 1370 kg/mm² |
| Young's Modulus | 3.4 × 10¹¹ N/m² |
| Thermal Conductivity | 22 W/m·K |
| Thermal Expansion Coefficient | 8.4 × 10⁻⁶ K⁻¹ |
Precision Instruments – High-precision measuring equipment, microscopes, and optical devices
Aerospace – Aircraft engines, satellite components, and spacecraft parts
High-End Industrial Equipment – Semiconductor manufacturing, laser cutting, high-speed machinery
Medical Equipment – Surgical instruments, dental tools, and medical imaging systems
Watchmaking – Bearings and components for high-end mechanical watches
Q1: What material is a sapphire bearing made of?
A: Sapphire bearings are typically made of synthetic sapphire, ruby, spinel, quartz, or diamond for high hardness, wear resistance, and low friction.
Q2: How does a sapphire bearing work?
A: It reduces friction and energy loss through its hardness and low friction coefficient, ensuring smooth, precise, and efficient operation in high-speed or precision equipment.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company
Year Established:
2013
Total Annual:
1000000-1500000
Ecer Certification：
Verified Supplier
SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel... SHANGHAI FAMOUS TRADE CO.,LTD. locates in the city of Shanghai, Which is the best city of China, and our factory is founded in Wuxi city in 2014. We specialize in processing a varity of materials into wafers, substrates and custiomized optical glass parts.components widel...
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