Beijing Silk Road Enterprise Management Services Co.,LTD
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 1000000 Piece/ per Month |
| Delivery Time | 10-15 working days |
| Packaging Details | Wooden cases standard export package |
| Material | ZrO2 |
| Basic properties | Wear and Corrosion Resistance, High Strength, Lubrication and Maintenance Free |
| The material of cage | ZrO2 |
| Maintenance | Free |
| Strength | High |
| Work Environments | Corrosive, Low temperature, High Vacuum |
| Brand Name | OEM |
| Certification | ISO 16949 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 1000000 Piece/ per Month |
| Delivery Time | 10-15 working days | Packaging Details | Wooden cases standard export package |
| Material | ZrO2 | Basic properties | Wear and Corrosion Resistance, High Strength, Lubrication and Maintenance Free |
| The material of cage | ZrO2 | Maintenance | Free |
| Strength | High | Work Environments | Corrosive, Low temperature, High Vacuum |
| Brand Name | OEM | Certification | ISO 16949 |
| Place of Origin | CHINA | ||
| High Light | 20 Nm/cm² Ceramic Plain Bearings ，ISO 16949 Ceramic Plain Bearings ，Maintenance Free Ceramic Plain Bearings | ||
Maintenance Free High Strength ZrO2 Ceramic Plain Bearings
Ceramic cage has excellence performance as wear and corrosion resistance, high strength, lubrication and maintenance free when working. Adopting the ceramic cage, Ceramic bearing can be used in the most inclemency environments as corrosive, low temperature, high vacuum. The material of almost ceramic cage is ZrO2.
Ceramic cage has excellence performance as wear and corrosion resistance, high strength, lubrication and maintenance free when working. Adopting the ceramic cage, Ceramic bearing can be used in the most inclemency environments as corrosive, low temperature, high vacuum. The material of almost ceramic cage is ZrO2.
| Comparison of bearing material technical data | ||||||
| Technical data | unit | GCr15 | 9Cr18 | Si3N4 | AL203 | ZrO2 |
| Density | g/cm³ | 7.8 | 7.9 | 3.2 | 3.95 | 6 |
| a Coefficient of expansion | 10^-6/℃ | 11 | 17 | 3.2 | 9.1 | 10.5 |
| E modulus of elasticity | Gpa | 208 | 200 | 320 | 380 | 210 |
| μ Poisson ratio | 0.3 | 0.3 | 0.26 | 0.27 | 0.3 | |
| HV Hardness | 800 | 700 | 1700 | 1800 | 1300 | |
| δ Flexural strength | Mpa | 2400 | 2600 | 900 | 220 | 1000 |
| δ Compressive Strength | MPa | 2000 | 1500 | 3500 | ||
| Kc Impact strength | Nm/cm² | 20 | 25 | 7 | 3.5 | 11 |
| λ Thermal conductivity | W/mk | 30-40 | 15 | 3.5 | 25 | 2.5 |
| Ω Specific resistivity | mm²/m | 1 | 0.75 | 10^18 | 10^8 | 10^5 |
| Specific heat | J/KgK | 450 | 450 | 800 | 880 | 400 |
| Application temperature | ℃ | 120 | 150 | 1000 | 1850 | 800 |
| Anti-corrossion | No | poor | Good | Good | Good | |
| Cycle stress | 10*10^6 | 10*10^6 | 50*10^6 | 30*10^6 | 50*10^6 | |
| Destroy model | peel | peel | peel | fracture | peel/fracture | |
| Anti-magnetism | Yes | Yes | No | No | No | |
| Dimension stability | bad | poor | Good | Good | Good | |
| Insulate properties | No insulation | No insulation | Good | Good | Good | |
| Basic properties of staple engineer plastic | ||||||||
| Material | HDPE | PP | POM | PA66 | PVDF | PPS | PTFE | PEEK |
| Long-time working temp. | 90 | 100 | 110 | 100 | 150 | 230 | 260 | 280 |
| Density | g/cm3 | 0.91 | 1.42 | 1.14 | 1.77 | 1.35 | 2.18 | 1.32 |
| Ball indentation hardness | 50 | 80 | 170 | 170 | 80 | 190 | 30 | |
| Tensile stress | 25 | 30 | 70 | 80 | 50 | 75 | 25 | 95 |
| Sliding friction coefficient | 0.29 | 0.3 | 0.34 | 0.35-0.42 | 0.3 | 0.08-0.1 | 0.3-0.38 | |
| Melted temperature | 130 | 165 | 175 | 260 | 172 | 280 | 327 | 343 |
| Short-time highest application temperature | 90 | 140 | 150 | 170 | 150 | 260 | 260 | 300 |
| Coet of Inear expansion (10^-5/K) | 13-15 | 17 | 10 | 8 | 13 | 5 | 12 | 5 |
| Dielectric constant at 1 Mhz(10^6HZ) | 2.4 | 2.25 | 3.7 | 3.6-5 | 8 | 2.1 | 3.2-3.3 | |
| Volume resisrivity (Ω·cm) | >10^15 | >10^24 | >10^14 | 10^13 | 10^12 | >10^13 | 10^14 | 10^13 |
| flammability UL94 | + | + | - | (+) | (+) | - | + | + |
| Anti-weathering | - | - | - | - | - | - | + | - |
| Note: + =resistant; (+) =partly resistant; - =non-resistant | ||||||||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent
Year Established:
2009
Employee Number:
400~500
Ecer Certification：
Verified Supplier
Beijing Silk Road Enterprise Management Services Co.,LTD is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing... Beijing Silk Road Enterprise Management Services Co.,LTD is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing...
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