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Often searched simply as 518445, the complete assembly is correctly designated as the HM518445/HM518410 tapered roller bearing. With an 88.9mm bore, this bearing is an industry standard for commercial trailer axles and heavy transport setups. It is specifically designed to handle sustained highway speeds and heavy static loads. By meticulously matching the cone and cup in our workshop, we ensure smooth rolling performance and extended service intervals for trailer fleet operators worldwide.