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Multilayer Composite Self Lubricating Bearings Low Carbon Steel + Porous Bronze + PTFE

Categories Self Lubricating Bearings
MOQ: negotiated
Payment Terms: T/T
Delivery Time: negotiated
Brand Name: TOB PTFE Self-Lubrication Bearings
Certification: ISO 16949
Place of Origin: China
Price: negotiated
Supply Ability: negotiated
Packaging Details: Cartons and Pallets
Material: Low-Carbon Steel + porous bronze + PTFE
Types: Wrapped bushes, Flanged bearing, Thrust washer
Application: printing, weaving and tobacco producing machines, gymnastic equipment, rock absorbers, etc.
Working Temperature: -200~+280℃
Max. Load: Static Load 250N/mm², Dynamic Load 140N/mm²
Max. PV value: Grease 3.6 N/mm²·m/s, Oil 50 N/mm²·m/s
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    • Product Details
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    Multilayer Composite Self Lubricating Bearings Low Carbon Steel + Porous Bronze + PTFE


    PTFE Self-Lubrication Multilayer Composite Bearings


    It is backed with low-carbon steel with porous bronze sintered on the steel and polymers imbedded into the bores of the bronze. The steel back provides the bush with stronger mechanic strength and load capability. By combining the metals and the polymers together, the products are endowed with the lower friction coefficient and good capacity of anti-abrasion and self-lubrication. Moreover, the steel back is plated with an erosion-prevention layer. This series are widely applied in printing, weaving and tobacco producing machines, gymnastic equipment, rock absorbers, etc.


    Physical and Mechanical Performance

    Performance IndexDataPerformance IndexData
    Max. LoadStatic Load250N/mm²Friction CoefficientGrease Lubrication0.08~0.20
    Dynamic Load140N/mm²Oil Lubrication0.02~0.07
    Oscillation Load60N/mm²Mating AxisHardness>120 HB
    Linear VelocityGrease Lubrication2.5 m/sRoughnessRa=0.4~1.25
    Oil Lubrication5 m/sWorking Temperature-200~+280℃
    Max. PV valueGrease Lubrication3.6 N/mm²·m/sHeat-conducting Coefficient40 W/(m*k)
    Oil Lubrication50 N/mm²·m/sHeat-expansion Coefficient (Axial)11*10^-6k

    Physical and Mechanical Performance

    Normally, the surface polymer is chemical-erosion resistant quality. However it can be eroded by fused alkali metal and high temperature fluorine compounds. Therefore its erosion-prevention quality is primarily decided by the quality of the steel back and its plating layer. Air-erosion could be effectively prevented if the steel back is bronze or tin-plated. If the bush is to be used in corrosive environment, the steel back needs to be plated with lead, zinc, nickel or nickel-chrome ally, etc.


    Quality Multilayer Composite Self Lubricating Bearings Low Carbon Steel + Porous Bronze + PTFE for sale
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