This is a high-quality aftermarket replacement radial shaft seal, compatible with the Corteco 82011992NO specification. Designed as a robust alternative for various agricultural and heavy-duty TRACTEC applications, this seal ensures reliable performance in demanding environments. Radial shaft seals are critical components used to prevent the leakage of lubricants or other fluids from rotating shafts, while simultaneously protecting internal components from ingress of dirt, dust, and moisture. The seal features precise dimensions of 65mm inner diameter, 85mm outer diameter, a primary height of 13mm, and a total height of 17mm. These exact specifications ensure a perfect fit and optimal sealing performance, mirroring the original design. Manufactured from NBR (Nitrile Butadiene Rubber), this seal offers excellent resistance to petroleum-based oils, fuels, water, and hydraulic fluids, making it suitable for a wide range of machinery operating conditions. Its COMBI SF4 design signifies a combination seal, typically featuring multiple sealing lips and a dust lip. This advanced configuration provides enhanced sealing capabilities and superior protection against contaminants, extending the lifespan of bearings and other critical components. Ideal for use in gearboxes, axles, and other rotating assemblies found in tractors and agricultural equipment, this aftermarket seal provides a cost-effective yet dependable solution for maintaining machinery integrity. Choose this non-OEM alternative for reliable fluid retention and contamination exclusion in your heavy equipment.