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PEEK / PI Plastic Plain Bearings , ZrO2 or Si3N4 Balls , High Temperature Application

Categories Plastic Plain Bearings
Brand Name: TOB Plastic Bearing
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: PEEK / PI
Basic Properties: High Temperature Application
Working Temperature: PEEK at 260℃ and PI at 300℃ in long time
Material of Rings: PEEK or PI
Material of Cage: PTFE, PEEK or PI
Material of Balls: ZrO2 or Si3N4
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    PEEK / PI Plastic Plain Bearings , ZrO2 or Si3N4 Balls , High Temperature Application


    PEEK / PI High Temperature Application Plastic Bearings


    TOP-16 plastic bearing.pdf

    TOP-04 diameter list.pdf

    As newly developing engineering plastic material, PEEK and PI have been approved have the strongest mechanical strength and could endure the highest temperature among all the plastic material.
    PEEK could work at 260℃ and PI at 300℃ in long time, The Density of PEEK plastic bearings is 1.32 g/cm3, Sliding friction coefficient is 0.30, Short-time highest application temperature is 300℃.
    Moreover PEEK / PI High Temperature Application Plastic Bearings have excellent anti-corrosion performance, could be used in strong acid and alkali environment. So generally PEEK / PI High Temperature Application Plastic Bearings are used to manufacture bearings to realize precision running in rigor environment. As the material is expensive, the costs are high. Generally the rings made with PEEK or PI, Cage with PTFE, PEEK or PI, and ball with ZrO2 or Si3N4.

    Basic properties of staple engineer plastic
    MaterialHDPEPPPOMPA66PVDFPPSPTFEPEEK
    Long-time working temp.90100110100150230260280
    Densityg/cm30.911.421.141.771.352.181.32
    Ball indentation hardness50801701708019030 
    Tensile stress2530708050752595
    Sliding friction coefficient0.290.30.340.35-0.420.3 0.08-0.10.3-0.38
    Melted temperature130165175260172280327343
    Short-time highest application temperature90140150170150260260300
    Coet of Inear expansion (10^-5/K)13-1517108135125
    Dielectric constant at 1 Mhz(10^6HZ)2.42.253.73.6-58 2.13.2-3.3
    Volume resisrivity (Ω·cm)>10^15>10^24>10^1410^1310^12>10^1310^1410^13
    flammability UL94++-(+)(+)-++
    Anti-weathering------+-
    Note: + =resistant; (+) =partly resistant; - =non-resistant


    Chemical properties of Engineer plastic
    Chemical CompositionMaterial
    PIPEEKPTFEPVDFPA66POMPPHDPEABS
    Acrtate+++(+)(+)++(+)+
    Formic acid (10% water)++++--+++
    Ammonia (10% water)-++++(+)+++
    Aether+ ++++++ 
    Petrol++++++(+)(+)(+)
    Bori acid (10% water) ++(+)+++++
    Aminoform+++ --(+)--
    Aeti aid 100%(+)-+ --++-
    Aceti aid (10% water)+++ -(+)+++
    HF  + --++(+)
    Formaldehyde aqu (30% water) ++++-+++
    Glycerin+ + +++++
    Iodine, Glycol+ +(+)-(+)++(+)
    K2Cr2O7 (10% water)  +++-+++
    KMnO4 (1% water)++++-(+)++(+)
    2-Hydronyprpionic 10%+ ++--++-
    2-Hydronyprpionic 90%+++++(+)+++
    Nad (10% water)+++++++++
    NaNO3 (10% water)+ +++++++
    NaOH (50% water) ++++-+++
    NaOH (5% water)  +++-++ 
    Oxalic (10% water)++++(+)(+)+++
    Tetracarp+ ++(+)+--(+)
    H3PO3 100% ++ -  ++
    H3PO4 (10% water) +++--+ +
    NHO3 (2% water)++++--+++
    HCL (2% water)+++(+)--+++
    H2SO4 98% -+ --+(+)-
    Soap liquid  ++++++ 
    Alkaliliquid (10% water)  +++++++
    Toluene+++++++(+)-
    Water, cold+++++++++
    Water, hot +++(+)-+++
    H2O2 (30% water) (+)++--+++
    H2O2 (0.5% water)+ ++-(+)+++
    Asphalt+ + (+)+(+)(+) 
    Note: + =resistant; (+) =partly resistant; - =non-resistant


    Quality PEEK / PI Plastic Plain Bearings , ZrO2 or Si3N4 Balls , High Temperature Application for sale
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