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Rulon Bearings

TriStar Ultracomp UC-400 Composite Bearing
Categories: Polymer; Thermoplastic

Material Notes: Ultracomp UC-400 - Designed for high loads, low speeds, impact and vibration applications. UC-400 has a MOS2 additive for salt water applications where cathodic reactions could occur. Excellent dry wear properties in slow rotary or reciprocating bearings.

This family of composite materials offers the combination of high compressive strength, low coefficient of friction, and excellent abrasion and corrosion resistance while running without lubrication. They are used in bearing and seal applications from temperature extremes of cryogenic to over 360°F with and without additional lubricants.

Ultracomp Bearing Grade Composite: Laminates composed of synthetic fabrics impregnated by thermosetting resins and solid lubricant fillers. Material is available in tubes and sheets. Ideally suited for non-lubricated ultra high-load/low-speed applications that require a low coefficient of friction. Operates well in demanding and destructive environments. Suitable for use in steam, wet, dry, or vacuum environments. Rc 35 or higher steel mating surface. Markets for Ultracomp Bearing Grade Composite include Agricultural, Appliances, Automotive, Construction, Industrial, and Transportation.

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 PropertiesMetricEnglishComments
Specific Gravity 1.32 g/cc1.32 g/cc
Water Absorption <= 0.10 %<= 0.10 %24 hrs
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 100100
Tensile Strength, Yield 65.5 MPa9500 psi
Compressive Yield Strength 96.5 MPa14000 psiPerpendicular to Laminate
Ultimate Compressive Strength 359 MPa52000 psiPerpendicular to Laminate
Compressive Modulus 5.17 GPa750 ksiPerpendicular to Laminate
Machinability 4.0 %4.0 %1=Easy; 10=Hard
Shear Strength 145 MPa21000 psi
Izod Impact, Notched >= 10.7 J/cm>= 20.0 ft-lb/in
Coefficient of Friction, Static 0.150.15Dry vs. Steel
Limiting Pressure Velocity 0.876 MPa-m/sec25000 psi-ft/minUnlubricated
 
Thermal PropertiesMetricEnglishComments
CTE, linear 72.0 - 180 µm/m-°C40.0 - 100 µin/in-°F
Maximum Service Temperature, Air 168 °C335 °FContinuous
 182 °C360 °FShort Term
Minimum Service Temperature, Air -240 °C-400 °FEmbrittlement Temp

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PTRIST984 / 99335

Rulon Bearings

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