The Bosch Rexroth R9020418000 is a genuine radial shaft seal, precisely engineered with an inner diameter of 55 mm, an outer diameter of 100 mm, and a width of 10 mm. Constructed from durable NBR (Nitrile Butadiene Rubber) material, this high-quality BA-type rotary shaft seal ensures reliable sealing performance in various hydraulic and industrial machinery applications, effectively preventing fluid leakage and protecting components from contaminants.