The McCormick 1440545X1 chain roller is a genuine OEM component designed for optimal performance in McCormick F series tractors and equivalent Case IH JX series models. This durable roller features an outside diameter of 114 mm, an inside diameter of 17 mm, and a width of 25 mm. Weighing approximately 0.41 kg, it ensures smooth operation and reliable chain guidance, crucial for various agricultural applications. This part is cross-referenced with Case IH and New Holland part number 87304126.