The Case IH 3146231R91 is an authentic OEM ball bearing, crucial for maintaining the smooth and efficient operation of a wide range of Case IH agricultural and construction equipment. Engineered for durability and precision, this bearing ensures reliable performance in demanding applications. It features an inner diameter of 40 mm, an outer diameter of 80 mm, and a width of 18 mm, making it suitable for specific rotating components across numerous combine, tractor, cotton picker, sprayer, and windrower models.