The Cat 8I4328 is a genuine Caterpillar bearing designed for heavy-duty applications across a wide range of Cat machinery. This OEM bearing ensures reliable performance and durability in articulated trucks, cold planers, excavators, forest products equipment, motor graders, track-type tractors, wheel dozers, wheel loaders, wheel scrapers, and wheel tractors. With precise dimensions of 100 mm length, 100 mm width, and 50 mm height, and a weight of 0.68 kg, it meets stringent Caterpillar specifications for optimal fit and function.