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Our FKM (fluororubber) skeleton oil seal is a high-performance sealing solution engineered to meet the demanding requirements of modern industrial and automotive applications. Designed with a reinforced metal skeleton and premium fluororubber compound, this seal provides a robust barrier against fluid leakage and contaminant ingress, ensuring reliable operation even in the harshest conditions. The FKM material delivers outstanding thermal stability, chemical resistance, and wear durability, outperforming standard nitrile or silicone seals in high-temperature and corrosive environments. The precision-machined metal skeleton maintains dimensional integrity under pressure, preventing seal extrusion and ensuring consistent sealing performance over extended service intervals. Whether used in automotive transmissions, industrial pumps, hydraulic systems, or heavy machinery, our FKM skeleton oil seals offer a cost-effective solution to minimize downtime and maximize equipment reliability. Available in a comprehensive range of standard sizes and customizable options, they are the ideal choice for engineers and maintenance professionals seeking durable, high-quality sealing components. Dimensions: (Inner Dia=20mm， Outer Dia=40mm， Thickness=8mm)Fluorine Rubber Skeleton Oil Seal. Crafted from high-quality fluororubber (FKM), this skeleton oil seal offers exceptional resistance to high temperatures, chemicals, and wear, ensuring long-lasting performance in harsh operating environments. Ideal for automotive, industrial machinery, and hydraulic systems where reliability is critical. The embedded metal skeleton provides rigid structural support, maintaining precise dimensional stability and preventing seal distortion under pressure. This design delivers a tight, leak-proof seal between rotating or reciprocating shafts and housings, effectively containing lubricants and blocking contaminants. Fluororubber material exhibits superior resistance to ozone, UV radiation, and a broad spectrum of fluids (oils, fuels, solvents, and acids), making it the optimal choice for applications exposed to extreme temperatures (-20°C to 200°C) and aggressive chemical environments. Our high-performance FKM skeleton oil seals minimize maintenance frequency and extend equipment service life by preventing fluid leaks and component wear. This results in reduced operational costs and increased productivity for industrial and automotive users. Color 1 Pcs Model FKM-US-190x240x18-1Pcs Brand Name PRECISCRY Part Number FKM-US-190x240x18-1Pcs Manufacturer PRECISCRY Material Type Fluororubber