Main cone bearing unit structure of commercial vehicle

The commercial vehicle main cone bearing unit structure comprises a main cone shaft and a bearing unit arranged on the main cone shaft, the main cone shaft comprises a driving bevel gear and a main cone shaft neck which are arranged in sequence, the bearing unit is arranged on the main cone shaft neck, and the driving bevel gear is arranged on the main cone shaft neck. The bearing unit comprises a bearing outer ring, a head bearing roller, a tail bearing roller and a tail bearing inner ring, the head bearing roller is installed between the bearing outer ring and the main cone shaft neck in a rolling mode, the tail bearing inner ring is installed on the main cone shaft neck, and the tail bearing roller is installed between the tail bearing inner ring and the bearing outer ring in a rolling mode. The structure is simple, installation is convenient, the bearing capacity is large, and the service life is long. 本实用新型提供的一种商用车主锥轴承单元结构，包括主锥轴和设置在主锥轴上的轴承单元，所述主锥轴包括依次设置的主动锥齿轮和主锥轴颈，所述轴承单元设置在所述主锥轴颈上，所述轴承单元包括轴承外圈、头轴承滚子、尾轴承滚