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Rulon Bearings

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Saint-Gobain Rulon® F Bearing/Seal PTFE
Categories: Polymer; Thermoplastic; Fluoropolymer; Polytetrafluoroethylene (PTFE)

Material Notes: F Grade Bearing/Seal PTFE is used for applications requiring a long wearing material, especially in dry applications and those requiring high abrasion resistance. Standard tape liner material for Rulon composite bearings. Green in color. Material has electrical and thermal insulation properties. Suitable for wet, dry or vacuum type environments. Mating surface of Rc 25 or higher steel. Markets for F grade include Appliances, Automotive, Document Processing Equipment, Industrial, Transportation.

Rulon® is the Saint-Gobain trade name for their family of proprietary PTFE compounds. This family of materials offers the combination of high compressive strength, low coefficient of friction, and excellent abrasion and corrosion resistance while running without lubrication. A property of Rulon® is the absence of stick slip, that is, erratic low-speed motion.


Information provided by Saint Gobain Performance Products.

Vendors: TriStar Plastics Corp. provides engineering, custom fabrication and manufacturing of high-performance plastics and self-lubricating bearing materials, such as Rulon, PEEK, Torlon, CJ Composites and Ultracomp. Capabilities include component design, material selection, prototype and production, manufacturing and surface modification. Call (800) TRI-STAR (800) 874-7827 or visit or www.TStar.com

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Physical PropertiesOriginal ValueComments
Density 1.89 g/cc
Deformation 3 %
@Temperature 23.0 °C,
Pressure 10.3 MPa
24 hours
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 1200 psiASTM D638
Elongation at Break 160 %ASTM D638
Compressive Yield Strength 1000 psiMax load under tribological use
Coefficient of Friction, Dynamic 0.20
Coefficient of Friction, Static 0.12
Limiting Pressure Velocity 10000 psi-ft/min
 
Thermal PropertiesOriginal ValueComments
CTE, linear 35.0 µin/in-°F
@Temperature 26.0 - 93.0 °C
Diameter
 36.0 µin/in-°F
@Temperature 26.0 - 149 °C
Diameter
 62.0 µin/in-°F
@Temperature 26.0 - 93.0 °C
Length
 70.0 µin/in-°F
@Temperature 26.0 - 149 °C
Length
Thermal Conductivity 2.60 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 550 °F
Minimum Service Temperature, Air -400 °F
 
Descriptive Properties
ColorGreen

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PSTGQZ176 / 68690

Rulon Bearings

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