The John Deere SJ30773 is a genuine OEM tapered roller bearing designed for critical applications in a wide range of John Deere agricultural, construction, and utility equipment. This precision-engineered bearing provides reliable performance, reducing friction and supporting radial and axial loads for extended component life. It features an inner diameter of 25.00 mm, an outer diameter of 52.00 mm, and a width of 16.25 mm, weighing approximately 0.12 kg. It replaces part number AT103030 and is essential for maintaining the operational integrity of your John Deere machinery.