Custom High-Temperature Silicon Carbide (SiC) Ceramic Bearing Sleeves – On-Demand Manufacturing

Product Overview:

Custom-engineered silicon carbide (SiC) sliding bearing sleeves represent a cutting-edge solution for demanding industrial, automotive, and aerospace applications. These precision components are crafted from advanced ceramic materials such as silicon carbide (SiC), silicon nitride (Si₃N₄), or zirconia (ZrO₂), delivering superior performance compared to conventional steel bearings.

Key Advantages:

- Exceptional Corrosion Resistance: Silicon carbide’s inherent stability ensures outstanding resistance to corrosive chemicals and harsh environments, making it ideal for chemical processing, marine systems, and other aggressive industrial settings.
- Reduced Friction & Wear: The ultra-smooth, high-hardness surface of SiC ceramic minimizes friction and wear, enhancing operational efficiency and extending the service life of pumps, turbines, and rotating equipment.
- High-Temperature Durability: With exceptional thermal stability, SiC bearings maintain structural integrity in extreme heat, perfect for high-temperature applications such as combustion engines, industrial furnaces, and power generation systems.

Applications:

These advanced ceramic bearings are widely utilized across industries, including:
- Aviation & Aerospace (turbine components, propulsion systems)
- Oil & Gas (pump shafts, drilling equipment)
- Automotive & Racing(high-performance engine parts)
- Chemical Processing(corrosive fluid handling)
- Power Generation (turbine bearings, high-speed rotors)
- Medical & Semiconductor (precision instruments, cleanroom machinery)

Customization & Precision:
We specialize in on-demand manufacturing of tailored SiC bearing sleeves, ensuring exact specifications for load capacity, dimensional tolerances, and operational environments. Our advanced ceramics redefine reliability in mission-critical applications.

Industries Served: Defense, energy, manufacturing, transportation, and more – where extreme conditions demand unmatched material performance.

Properties:

Advantages of All-Ceramic Bearings vs. Steel Bearings

1. Higher Temperature Resistance

Ceramic bearings maintain superior mechanical stability at elevated temperatures, making them ideal for extreme heat applications where steel bearings would degrade.

2. Superior Performance in Thermal Cycling

Due to their low thermal expansion coefficient, ceramic bearings experience minimal clearance changes under temperature fluctuations, ensuring reliable operation across a wider range of conditions.

3. Enhanced Anti-Seizure & Anti-Jamming Properties

The reduced thermal deformation of ceramic materials minimizes friction-induced binding, significantly improving resistance to seizure and galling.

4. Oil-Free Operation Capability

Ceramic bearings exhibit self-lubricating properties and can utilize process media for lubrication, enabling reliable performance in high-vacuum environments or where traditional lubrication is impractical.

5. Exceptional Corrosion Resistance

Unlike steel, ceramics are impervious to acids, alkalis, and salts, making them perfect for harsh chemical processing, marine, and corrosive industrial applications.

6. Electrical Insulation & Anti-Static Properties

Our ceramic bearings are non-conductive, eliminating static discharge and preventing electrical arcing damage—common issues with conductive steel bearings.

7. Non-Magnetic & Contamination-Resistant

Ceramic’s non-magnetic nature prevents magnetic particle adhesion, reducing abrasive wear and ensuring smooth operation in MRI equipment, semiconductor tools, and other magnetic-sensitive environments.

Why choose us

Our factory and processing machine:

We have three factories in China, can meet the needs for different custmers, and also we have advanced pressing, sintering and processing machines.

Our company logo is ZXSQ and CSQ, and possesses eleven invention patents for utility models. The company now has a high-quality professional team consisting of dozens of members, to provide you with high-quality and perfect service, according to customer requirements to order a variety of bearing products.

Since the year of 1982 we have accumulated abundant experience in the production over the past more than 40 years, devoting ourselves whole -heartedly to the research and development of ceramic bearing material, our processing technique and improvement of our equipments.
Having undergone several evolution and transformation, our company has now become the leading enterprise in China domestic market in the fields of ceramic bearing and ceramic material products.

According to the structure difference, it can be divided into: external gear pump and internal gear pump. Our company has ample production experience of both kind of the gear pump sliding bearing in material of silicon carbide. We did supply these SSiC sliding bearing for Germany Witte for many years.



Our Bearing Advantage:

1. Free Sample bearing

2. ISO Standard

3. In Stock bearing

4. Bearing Small order accepted

5. OEM bearing service

6. Customized bearing, Customer’s bearing drawing or samples accepted

7. Competitive factory price bearing


FQA

Q:Who are we?
A:We are a factory in Beijing, China. We have been producing and selling ceramic bearings for more than 40 years. We have established friendly cooperative relations with many domestic and foreign companies.

Q:How can we guarantee quality?
A:We always produce samples before mass production, and produce in strict accordance with customer requirements and production regulations. After the completion of production, we will use inspection equipment to carry out precise inspection of products, and our packaging adopts the double insurance of foam and carton, to strictly ensure the quality of products.

Q:What can you buy from us?
A:Ceramic deep groove ball bearings, ceramic angular contact ball bearings, hybrid ceramic ball bearings, ceramic linear bearings, etc and all kinds of ceramic balls.

Q:Why should you buy from us not from other suppliers?
A:We are an industry and trade integrated company, we have three factories, with today's production and inspection equipment, can provide better delivery dates and product quality.

Q:What service can we provide?
A:We will provide high quality products and customized services, which can be fully customized according to user needs. We can provide samples for customer's confirmation.

Welcome your enquiry

We cooperate with raw material suppliers to ensure product quality and profit stability without being affected by international raw material price fluctuations. It is not suppressed by foreign enterprises by raising the price of raw materials. At the same time with raw material production technology, when necessary, we can produce raw materials by ourselves.

We adhere to customer demand as the guidance, and strive to provide customers with quality products and after-sales service, create value for customers, do customers partner. Welcome to discuss the cooperation!