Developed self-lubricating liner bearings for space rockets that achieve low temperature (-195℃), no grease required, and low friction and low wear!
In the space environment, selecting grease can be challenging due to a wide range of temperatures and evaporation under vacuum, but a special PTFE liner that can withstand temperatures down to -195°C has addressed these issues. 【Features】 • Mainly bonded to the sliding surfaces of bearings/bushings • Heat resistance from -195°C to +232°C fits special environments such as space and engines • Low friction • No grease required • Chemical resistance to common aviation hydraulic fluids 【Product Description】 • A non-lubricated liner made of PTFE (polytetrafluoroethylene) fibers, woven with resin and auxiliary fibers that provide strength and durability. • The liner is bonded to the sliding parts of metal spherical bearings, rod end bearings, rod assemblies, and bushings.
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basic information
Since its development and patenting of self-lubricating PTFE liners for Corvette suspensions in 1958, Transport Dynamics has been involved in the advancement of self-lubricating liners for aerospace applications. We continue to develop products that meet diverse needs, including those for extreme temperature environments in space and aircraft engines, high loads specific to aviation, and low-cost liners tailored for general industrial applications. 【Product Examples】 - Low temperature environment -196℃: Space products / Fibriloid CR - High temperature environment +316℃: Aircraft engines / Fabroid X - Oscillating motion 11m/min: Helicopters / Fibriloid - Dynamic load 207MPa: Aircraft / Fiberglide V - Dynamic load 207MPa & +232℃: Missile steering systems / Fabroid IIG2 - Adhesion possible to most metals (adhesives are custom products selected by RBC)
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In addition, our company imports and sells bearings and machined parts specialized for aerospace. Manufacturers certified with AS9100 collaborate with major aircraft manufacturers such as the U.S. military, NASA, Boeing, and Lockheed. Below are some examples of their successes: - Fuse pins (achieving emergency breakage design for hollow large pins with required load and high-precision breakage mode) - HVOF coating (coating actuator sliding surfaces to enhance lifespan; an alternative technology to hard chrome plating) - Track roller bearings for aircraft wings (manufacturers also possess rare testing equipment compatible with QT) - Special alloy bearings and bushings (titanium, CuNiSn, Inconel) - Drum-type roller bearings (ensuring grease spreads uniformly around the circumference even under oscillation of wing components, achieving long lifespan) - Ultra-thin ball bearings (adopting thin types for large flap drive devices) - Tapered roller bearings (standardly used for landing wheels)
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RBC Corporation Space Product Examples
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RBC Corporation Aerospace Product Examples
Company information
Since importing bearings for the first time in Japan in 1923, Kimura Yoko has been providing cutting-edge technology from Europe and the United States to domestic customers for nearly 100 years as a "specialized trading company of uniquely designed machine parts." Kimura Yoko has established a consistent service system as a bridge connecting overseas manufacturers with domestic users. To prioritize our customers' needs, we participate from the equipment design stage, pursuing a balance between high technology and cost reduction. At Kimura Yoko's domestic service center, we thoroughly implement JIT delivery and quality control during mass production, ensuring a robust system is in place.
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