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TriStar Plastics Corp. has been a major supplier to the railway industry for many years. In an extreme application, the maintenance manager of Pikes Peak Cog Railway in Colorado decided to put Ultracomp ® UC200 to the test. TriStar supplied several configurations of sleeve and thrust bearings to be installed within the brake caliper system. After a rigorous, two year test on this unique railway system, which included exposure to roadway ballast, snow, ice, and rain during several hundred expeditions up and down Pikes Peak, the results were stellar! Removal of the parts showed virtually no wear of the bearings, and the shafts looked almost new.
Ultracomp ® is used in sleeve, flange, thrust and sliding applications in areas such as couplers, emergency hand brakes, draft gears, brake caliper systems, shock absorbers and interior components throughout the rail cars. Used on both transit and freight cars, Ultracomp ® exceeds the extensive test requirements of the AAR, and must perform for the equivalent of 1,000,000 miles of track time. Ultracomp ® has passed both of these requirements in many different applications.
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Ultracomp ® excels in linear, oscillating, and rotary applications that require high load and low speed. It is available in tube, sheet stock, or can be fabricated into custom bearings to your specifications.
- UC200 – Bearing Grade Polyester/Graphite Composite
- Designed for high load, high impact, slow speed, and vibratory applications. UC200 has
excellent abrasion resistance, does not require lubrication, and has extremely low moisture
absorption. Runs best on shafts with RC30 or higher.
- UC300 – Bearing Grade Polyester/PTFE Composite
- Similar in construction to UC200, PTFE lubricant added to resin matrix for rotary or linear
applications to reduce its coefficient of friction. Runs well against stainless and aluminum.
- UC400 – Bearing Grade Polyester/MOS2 Composite
- Similar in construction to UC200 with moly lubricant for slow rotary, salt water, and dry oscillatory
applications.
- UC500 – Bearing Grade Blended Fiber/Graphite Composite
- Unique interwoven laminate using PTFE, polyester fibers, and graphite lubricant. Excellent
material for full rotary applications where self-lubricated low friction and long wear is required.
For more information about Ultracomp ® and other products available from TriStar Plastics Corp., call us
at 1-800-TRISTAR or visit our new website at tstar.com.
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Ultracomp
