The CNH 87555831 is a genuine OEM tapered roller bearing designed for heavy-duty applications in agricultural and construction machinery. Featuring an inner diameter of 45 mm, an outer diameter of 85 mm, and a width of 20.75 mm, this robust bearing ensures smooth operation and durability. It is a critical component for various New Holland, Case IH, and Steyr tractors, combines, and other equipment, providing reliable performance in demanding conditions. This bearing is a direct replacement for original equipment, ensuring perfect fit and function.