The Zetor 979521 is a genuine OEM bearing, cross-referenced as 30206-A, designed for a wide range of Zetor agricultural tractors. This essential component features an inner diameter of 30mm, an outer diameter of 62mm, and a width of 16mm, ensuring precise fit and reliable performance in critical machinery applications. It is suitable for models across the Zetor UR1, UR3, UR4, Forterra, Proxima, Major, and Crystal series, providing durability and maintaining optimal operational efficiency.