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{"title":"High Temp Ceramic Sliding Bearing Canned Motor Pump Pressureless Sintered","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/62\/24\/f98451580c391979ecdc9c819a61-200x200-1\/high_temp_ceramic_sliding_bearing_canned_motor_pump_pressureless_sintered_silicon_carbide.jpg","attrs":{"Brand Name":"CSQ","Place of Origin":"China","Minimum Order Quantity":"20 pcs","Payment Terms":"T\/T"}}
{"title":"Stainless Steel Black Ceramic Bearings For Magnetic Drive Pump 2800HV5","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/44\/a9\/827b768c99deb7efda3c7368fa17-200x200-1\/stainless_steel_black_ceramic_bearings_for_magnetic_drive_pump_2800hv5.jpg","attrs":{"Brand Name":"CSQ","Place of Origin":"China","Minimum Order Quantity":"20 pcs","Price":"Negotiable"}}
{"title":"Zirconium Oxide Ball Bearings Sliding Zirconia For Gear Pump","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c4\/49\/7f9b2b6b46c02d4ff6937bb30688-200x200-1\/zirconium_oxide_ball_bearings_sliding_zirconia_for_gear_pump.jpg","attrs":{"Brand Name":"CSQ","Place of Origin":"China","Minimum Order Quantity":"20 pcs","Price":"Negotiable"}}
{"title":"SSiC Ceramic Sliding Bearing Submerged Pump CSQ","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/95\/76\/8749b6b6e0438e95ab60b33475d9-200x200-1\/ssic_ceramic_sliding_bearing_submerged_pump_csq.jpg","attrs":{"Brand Name":"CSQ","Place of Origin":"China","Minimum Order Quantity":"20 pcs","Price":"Negotiable"}}
{"title":"SSiC Ceramic Sliding Bearing Mechanical Seals For Rotating Machinery","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/81\/89\/c420c85ac6465e2201731ed7e365-200x200-1\/ssic_ceramic_sliding_bearing_mechanical_seals_for_rotating_machinery.jpg","attrs":{"Brand Name":"CSQ","Place of Origin":"China","Minimum Order Quantity":"20 pcs","Price":"Negotiable"}}
{"title":"Zirconium Ceramic Zirconia Oxide Ball Bearing Spiral Bushing For Pumps","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b6\/03\/a925332a13f1359576eff2653324-200x200-1\/zirconium_ceramic_zirconia_oxide_ball_bearing_spiral_bushing_for_pumps.jpg","attrs":{"Brand Name":"CSQ","Model Number":"Customized","Place of Origin":"China","Minimum Order Quantity":"20 pcs"}}
Designed for stainless steel magnetic drive pumps, the SiC+Graphite composite bushing combines high-hardness silicon carbide with self-lubricating graphite, delivering both wear resistance and self-lubrication – a core component for leak-free pump operation.
Key Features
Feature
Technical Advantage
Dual-Phase Structure
SiC matrix (90%) for hardness + graphite phase (10%) for self-lubrication
Corrosion Resistance
Withstands pH 0-14 media (HCl, HF, etc.)
Dry-Run Capability
Survives ≤30s dry-running with stable μ=0.08-0.12
Thermal Stability
Operates at -40°C ~ 250°C (graphite oxidation limit)
Technical Specifications
Parameter
Value
Density
2.9-3.0 g/cm³
Hardness
2200 HV
Porosity
≤5%
Thermal Conductivity
85 W/m·K
Max PV
3.5 MPa·m/s
Design for Magnetic Pumps
Precision clearance: 0.03-0.05mm ID/shaft gap (prevents fluid flashing)
Fail-safe: SiC matrix provides backup support after graphite wear
Applications
Chemical mag pumps: 31% HCl transfer, >20,000h service life
Electroplating pumps: CrO₃ resistance, zero metal contamination
Pharmaceutical pumps: FDA-compliant for WFI systems
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!
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
3000000-5000000
Employee Number:
160~200
Ecer Certification：
Verified Supplier
Beijing Zhongxing Shiqiang Ceramic Bearing Co., Ltd., founded in 2005, situated in No. A38 Weishanzhuang Industry District, Daxing District ,Beijing, is the first company in China to invent and manufacture rare-earth ceramic bearings. The rare-earth ceramic bearings have characteristics of st... Beijing Zhongxing Shiqiang Ceramic Bearing Co., Ltd., founded in 2005, situated in No. A38 Weishanzhuang Industry District, Daxing District ,Beijing, is the first company in China to invent and manufacture rare-earth ceramic bearings. The rare-earth ceramic bearings have characteristics of st...
