The Case-IH 86557434 is a genuine OEM tapered roller bearing designed for heavy-duty agricultural and construction machinery. This precision-engineered component ensures reliable performance and extended service life in demanding applications. With an inner diameter of 45 mm, an outer diameter of 85 mm, and a width of 20.75 mm, it provides optimal support and reduces friction in critical rotating assemblies. Compatible with various Case-IH, New Holland, and Steyr tractor models, this bearing is essential for maintaining the integrity and efficiency of your equipment's driveline and wheel systems.