High-Performance Silicon Nitride Blocks for Advanced Engineering Solutions
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Product Attributes
- Customization
- Available
- Density
- ~3.1 G/Cm³
- Hardness (Vickers)
- 2,000-2,500 Hv
- Model NO.
- customized
- Thermal Conductivity
- ~30-60 W/M·K
- Flexural Strength
- ~30-50 MPa
- Chemical Resistance
- Resistant to Most Chemicals, Non-Reactive
- Compressive Strength
- ~2,200 MPa
- Lubricating Property
- Intrinsic Lubricating Property Reduces Friction
- Machinability
- Easily Machinable with Standard Tools
- Transport Package
- Sealed in Plastic Bags, Packed in Foam-Lined Boxes
- Specification
- Ceramic part
- Trademark
- LOWIFAR
- Origin
- China
- HS Code
- 690911
- Production Capacity
- 5000000PCS/Year
Product Images of High-Performance Silicon Nitride Blocks for Advanced Engineering Solutions
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Product Description
Polished surface treatment for enhanced precision and smoothness.
Exceptional wear resistance, thermal stability, and mechanical strength.
Suitable for high-temperature, high-pressure, and corrosive environments.
Customizable shapes, sizes, and specifications to meet industrial needs.
Applications:
High-performance thermal and mechanical applications.
Aerospace, automotive, and advanced manufacturing industries.
Contact us for tailored solutions and detailed specifications!
Material | Silicon Nitride (Si3N4) |
Density | 3.2 g/cm³ |
Hardness | 1500 HV |
Flexural Strength | ≥ 700 MPa |
Compressive Strength | ≥ 2500 MPa |
Thermal Conductivity | 20–30 W/m·K |
Maximum Operating Temperature | 1200°C in air / 1600°C in inert environments |
Thermal Expansion Coefficient | 3.0–3.5 × 10-6/°C (RT to 1000°C) |
Electrical Resistivity | ≥ 10¹² Ω·cm |
Wear Resistance | Excellent for abrasive environments |
Corrosion Resistance | High resistance to acids, alkalis, and oxidation |
Color | Gray or Black (depending on manufacturing process) |
Customization | Dimensions, shapes, tolerances, and surface finish available on request |
Aerospace: High-performance bearings for aircraft engines and systems.
Automotive: Durable solutions for engines, transmissions, and electric vehicles.
Medical Equipment: Precision bearings for surgical tools and diagnostic devices.
Industrial Machinery: Robust bearings for heavy-duty operations in manufacturing and production.
Renewable Energy: Specialized bearings for wind turbines and solar tracking systems.
Food & Beverage: Corrosion-resistant bearings for hygienic and reliable operations.
Key Configurations
Ceramic Bearings: Offering high temperature resistance, low friction, and excellent corrosion resistance.
Custom Designs: Tailored bearing solutions to meet specific application requirements.
High-Precision Tolerances: Ensuring consistent performance in demanding applications.
Maintenance-Free Options: Sealed bearings for enhanced durability and reduced downtime.


2) Advanced CNC and grinding machines shape the bearing components to achieve tight tolerances and smooth finishes.
3) Precision polishing ensures low friction and optimal performance for both ceramic and stainless steel bearings.
4)Bearings are carefully assembled in a clean, controlled environment to maintain integrity and precision.
5) Rigorous quality checks, including dimensional accuracy, surface finish, and load testing, are performed to ensure every bearing meets or exceeds industry standards.




Warranty Assurance: Coverage for manufacturing defects, providing peace of mind with every purchase.
Customized Solutions: Tailored advice and modifications to address specific operational challenges or requirements.
Prompt Response: Dedicated support team available to address inquiries and resolve issues quickly and effectively.

Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.
Ceramic bearings offer several advantages, including:
Lighter Weight: Up to 40% lighter than steel bearings.
Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
Low Friction: Reduces energy loss and heat generation.
3. In which industries are ceramic bearings commonly used?
Ceramic bearings are widely used in:
Renewable energy (e.g., wind turbines)
Aerospace and automotive
Medical devices
Chemical processing
High-precision tools
4. Can ceramic bearings handle high temperatures?
Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.
Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.
Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.
Ceramic bearings require minimal maintenance, but to ensure longevity:
Keep them clean and free from contaminants.
Follow proper installation procedures.
8. Do you provide customized ceramic bearings?
Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.
We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details
Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI254804". Items marked "" are certified.
Company Profile
We specialize in the design and manufacture of a comprehensive range of high-precision, top-quality bearings, tailored to meet the needs of diverse applications. These include heavy agricultural machinery, textile machinery, engineering equipment, motors, automobiles, computers, electrical appliances, power tools, pumps, and various industrial machines.
We are proud to offer specialized stainless steel and ceramic bearings, known for their superior performance in demanding environments such as high temperatures, corrosive conditions, and high-speed applications. Our extensive product portfolio features deep groove ball bearings, self-aligning ball bearings, cylindrical roller bearings, self-aligning roller bearings, multi-roll bearings, angular contact ball bearings, tapered roller bearings, thrust ball bearings, non-standard bearings, extra-large bearings, and cross-roller bearings.
Backed by a highly experienced and professional team, we have successfully exported our products to numerous countries and regions worldwide, including Europe, North America, India, Thailand, South Korea, Mexico, Turkey, Argentina, and Russia. Renowned for their exceptional quality and reliability, our products have earned a stellar reputation among our global customers.
We warmly welcome customers, business partners, and friends from around the world to connect with us, explore our offerings, and discover opportunities for mutual growth and success.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- Tianxiang Road, Huishan District, Wuxi, Jiangsu, China
-
Plant Area
- 50 square meters
-
Number of Employees
- 2
-
Registered Capital
- 1,000,000 RMB
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAP, DDP
- Average Lead Time
- Peak Season Lead Time, one month, Off Season Lead Time, within 15 workdays
- Nearest Port
- Shanghai Port, Ningbo Port
-
Minimum Order Quantity
- 1pc
-
Supply Chain Partners
- 5
Our Production Capability & Technical Expertise
- Main Products
- Ceramic Bearings, Stainless Steel Bearings, Needle Bearings, Hybrid Ceramic Ball Bearing, Ceramic Structural Component, Roller Bearing, Sliding Bearing, Fasteners, CNC Part, Graphite Product
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Minor Customization,Flexible customization
-
ODM Service Available
- Yes
-
R&D Engineers
- 1 people
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2023-06-12
- Export Year
- 2023-06-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Eastern Asia, Western Europe, Mid East
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 1
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
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