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SHANGHAI FAMOUS TRADE CO.,LTD

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China High-Precision Customized Sapphire Bearings Low Friction Industrial Applications
China High-Precision Customized Sapphire Bearings Low Friction Industrial Applications

  1. China High-Precision Customized Sapphire Bearings Low Friction Industrial Applications
  2. China High-Precision Customized Sapphire Bearings Low Friction Industrial Applications
  3. China High-Precision Customized Sapphire Bearings Low Friction Industrial Applications

High-Precision Customized Sapphire Bearings Low Friction Industrial Applications

  1. MOQ: 25
  2. Price: By case
  3. Get Latest Price
Payment Terms T/T
Delivery Time 2-4weeks
Material Single crystal Al2O3
Size Customized
Surface Roughness Ra ≤ 0.01 μm
Mos Hardness 9.0
Suraface Unpolished
Application Medical devices, High-end industrial equipment
Brand Name ZMSH
Model Number Sapphire Bearings
Certification rohs
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Delivery Time 2-4weeks
Material Single crystal Al2O3 Size Customized
Surface Roughness Ra ≤ 0.01 μm Mos Hardness 9.0
Suraface Unpolished Application Medical devices, High-end industrial equipment
Brand Name ZMSH Model Number Sapphire Bearings
Certification rohs Place of Origin CHINA
High Light Customized Sapphire BearingsLow Friction Sapphire BearingsIndustrial Applications Sapphire Bearings

 

Abstract of Sapphire Bearings

 

 

 

High-Precision Customized Sapphire Bearings Low Friction Industrial Applications

 

Sapphire bearing components are manufactured from high-purity single-crystal α-alumina (Al₂O₃), serving as critical elements in high-precision mechanical systems due to their exceptional physical properties. With a Mohs hardness of 9 (second only to diamond), these components significantly reduce friction and wear while extending equipment service life. Their chemical inertness resists most acid/base corrosion (except HF) without releasing contaminants in vacuum or high-purity environments, meeting stringent cleanliness requirements for semiconductor and medical applications. The thermal expansion coefficient (5.3×10⁻⁶/°C) closely matches steel, preventing thermal stress-induced failure. Additionally, their insulating properties (volume resistivity >10¹⁴Ω·cm) eliminate electrostatic interference, making them ideal for precision electronics. Advanced laser processing and ion beam polishing enable sub-micron dimensional accuracy (±0.5μm) and ultra-smooth surfaces (Ra≤0.01μm), delivering reliable performance for high-precision motion systems.

 

 


 

Key Features of Sapphire Bearings

 

 

· Exceptional Hardness & Wear Resistance: Mohs 9 hardness with wear rates 1/10 of metal bearings

 

· Chemical Inertness: Resists strong acids (except HF), alkalis, and organic solvents with <0.001mm/year corrosion rate

 

· Thermal Stability: CTE of 5.3×10⁻⁶/°C (steel-compatible) prevents thermal stress failure

 

· Precision Machining Capability: Achieves surface roughness Ra≤0.01μm and flatness ±0.05mm/100mm

 

· Electrical Insulation: Volume resistivity >10¹⁴Ω·cm for anti-interference applications

 

 

 


 

Primary applications of Sapphire Bearings

 

1. Semiconductor Manufacturing Equipment


Critical for lithography wafer stages and vacuum robotic arms, their particle-free properties maintain chip yield with ≤0.1μm radial runout. In EUV lithography systems, sapphire bearings withstand intense UV radiation without degradation.

 

 

2. Medical Devices


Core components for dental handpieces (≥300,000 RPM turbines), offering ISO 13485-compliant biocompatibility and autoclave resistance (135°C cyclic sterilization). Miniature bearings (<1mm diameter) enable precise force feedback in surgical robots without MRI artifacts.

 

 

3. Precision Instruments


Used in AFM scanner heads and inertial guidance gyros, reducing motion noise to <0.1dB. Telescope equatorial mounts achieve 0.01-arcsecond tracking accuracy with sapphire bearings.

 

 

4. Industrial High-End Equipment


Fiber drawing capstans demonstrate <1μm wear after 1,000 operational hours, outperforming conventional ceramics. 5G antenna phase adjusters endure -40°C to 85°C thermal cycling.

 

 


 

ZMSH's Services

 

 

We deliver end-to-end sapphire bearing solutions including:

  • Material selection (doping optimization)

  • Structural design (FEA stress analysis)

  • Precision machining (laser cutting/ion beam polishing)

  • Performance testing (tribology/life validation)

  • Custom coatings (DLC/diamond-like carbon)

Prototypes available in 48 hours, with 2-4 week production cycles for volume orders. Aerospace-grade clean packaging (Class 10) and global logistics support included.

 

 

 

 

 


 

Q&A​

 

 

1. Q: What material is jewel bearing?
     A: Jewel bearings are typically made of synthetic sapphire (Al₂O₃) or ruby (Cr:Al₂O₃).


2. Q:What are the components of radial bearing?
     A:The main components of a radial bearing include inner/outer rings, rolling elements (balls/rollers), and a cage (retainer).

 

 


Tag: #Sapphire Bearings, #Shape and size customized, #99.999% Al2O3, # High hardness 9.0, #Unpolished, #High-Precision, #Low Friction, #Industrial Applications

 

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

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Graphite Plugged Bushings

 from Quality China Factory
  • 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 wi...     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 wi...

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  • SHANGHAI FAMOUS TRADE CO.,LTD
  • Room.1-1805,No.1079 Dianshanhu Road,Qingpu Area Shanghai city, China /201799
  • https://www.galliumnitridewafer.com/

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