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ZrO2 Ceramic Bearings , Full Ceramic Bearings , Cage Was Made By PTFE, GFRPA6 , PEEK, PI, AISI SUS304, SUS316, Cu, etc.

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ZrO2 Ceramic Bearings , Full Ceramic Bearings , Cage Was Made By PTFE, GFRPA6 , PEEK, PI, AISI SUS304, SUS316, Cu, etc.

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Brand Name : TOB Ceramic Bearings

Certification : ISO 16949

Place of Origin : China

MOQ : negotiated

Price : negotiated

Payment Terms : T/T

Supply Ability : negotiated

Delivery Time : negotiated

Packaging Details : Cartons or Pallets

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℃

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ZrO2 Ceramic Bearings , Full Ceramic Bearings

ZrO2 Full ceramic bearing 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.

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

ZrO2 Ceramic Bearings , Full Ceramic Bearings , Cage Was Made By PTFE, GFRPA6 , PEEK, PI, AISI SUS304, SUS316, Cu, etc.


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rod end bearing

      

jdb bearings

      
China ZrO2 Ceramic Bearings , Full Ceramic Bearings , Cage Was Made By PTFE, GFRPA6 , PEEK, PI, AISI SUS304, SUS316, Cu, etc. wholesale

ZrO2 Ceramic Bearings , Full Ceramic Bearings , Cage Was Made By PTFE, GFRPA6 , PEEK, PI, AISI SUS304, SUS316, Cu, etc. Images

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