ZrO2 Full Ceramic Bearings PTFE PEEK Cage
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Product Description
ZrO2 Full Ceramic Bearings PTFE PEEK Cage
You are welcomed to come to our factory to buy the latest selling, low price, and high-quality ZrO2 Full Ceramic Bearings PTFE PEEK Cage looks forward to cooperating with you.
ZrO2 Full Ceramic Bearings PTFE PEEK Cage have excellence performance as special electrical and magnetism resistance, wear and corrosion resistance, lubrication and maintenance free when working, especially high and low-temperature application etc., could be used in awful environment and specially condition. The rings and balls were made by full ceramic material:ZrO2, as a standard construction, the cage was made by PTFE, generally we also could make the cage with GFRPA66-25, PEEK, PI, AISI SUS304, SUS316, Cu, etc.
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Material: |
ZrO2 |
Density: |
6.0 G/cm3 |
|
Material Of Rings & Balls: |
Full ZrO2 Ceramic Material |
Almost Material Of Cage: |
PTFE |
|
Other Material Of Cage: |
GFRPA66-25, PEEK, PI, AISI SUS304, SUS316, Cu, Etc. |
Application Temperature: |
800℃ |
|
High Light: |
rod end bearing, jdb bearings |
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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 | ||||||||
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