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PTFE Metric Sleeve Bearings / Self Lubricating Bronze Bushings

Categories Self Lubricating Bearings
Brand Name: TOB PTFE Self-Lubrication 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 and Pallets
Material: Tin-Bronze + Porous Bronze + PTFE
Types: Wrapped bushes, Flanged bearing, Thrust washer
Application: metallurgy machine and casting machines, consecutive casting machines, cemetery machines, spiral transporting machines, 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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PTFE Metric Sleeve Bearings / Self Lubricating Bronze Bushings

PTFE Metric Sleeve Bearings / Self Lubricating Bronze Bushings


It is backed with tin-bronze with porous bronze sintered on it and polymers imbedded into the bores of the bronze. The tin-bronze 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 tin-bronze back is good heat conducting capability. This series are widely applied in metallurgy machine and casting machines, consecutive casting machines, cemetery machines, spiral transporting machines, 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 Coefficient60 W/(m*k)
Oil Lubrication50 N/mm²·m/sHeat-expansion Coefficient (Axial)18*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. But tin-bronze back can prevent air-erosion.


Quality PTFE Metric Sleeve Bearings / Self Lubricating Bronze Bushings for sale
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