TriStar TriSteel AC Metal Backed PTFE Bearing System

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TriStar TriSteel AC Metal Backed PTFE Bearing System
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Fluoropolymer; Polytetrafluoroethylene (PTFE)
Material Notes:	Ultraflon 601 (AC) POM lined metal backed bearing system, boundary lubrication required, high PV. Ultraflon 601 POM Liner is a lubricant enhanced acetal material for use in lubricated or unlubricated environments. With lubrication, PV ratings can be met without limitations. Lubrication reservoirs are available on the liner to produce a constant storage and pumping action for better hydrodynamic film generation.
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 Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	1.44 g/cc	0.0520 lb/in³
Water Absorption	0.020 % @Time 86400 sec	0.020 % @Time 24.0 hour

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	80	80
Tensile Strength, Yield	51.7 MPa	7500 psi
Elongation at Break	12 %	12 %
Flexural Strength	103 MPa	15000 psi
Flexural Modulus	1.03 GPa	150 ksi
Compressive Strength	119 MPa	17200 psi
	248 MPa	36000 psi	Maximum Static Bearing Load
Compressive Modulus	2.14 GPa	310 ksi
Coefficient of Friction, Dynamic	0.19	0.19	Dry vs Steel
K (wear) Factor	42.3 x 10^-8 mm³/N-M	21.0 x 10^-10 in³-min/ft-lb-hr
Limiting Pressure Velocity	2.80 MPa-m/sec	80000 psi-ft/min	Unlubricated. Max P = 36,000 psi and max V = 300 fpm

Thermal Properties	Metric	English	Comments
Thermal Conductivity	4.32 W/m-K	30.0 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	82.2 °C	180 °F	Continuous
	98.9 °C	210 °F	Short Term
Brittleness Temperature	-40.0 °C	-40.0 °F

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PTRIST990 / 176084

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