Take automobile wheel hub unit of muddy water guiding gutter

The utility model relates to an automobile hub unit especially relates to a take automobile wheel hub unit of muddy water guiding gutter. It solves automobile wheel hub unit that prior art exists in use usually, and inside materials such as dust and muddy water got into the bearing easily, it was higher to lead to the product to leak the fat rate to make friction torque increase, inner circle and outer lane excessive abrasion cause product life to cross short etc. Technical problem. The utility model discloses a ring flange (1) is connected with bolt (2) on the ring flange, the outer end of ring flange (1) be equipped with turn -up (3), one inner circle (4) have been installed to the one end of ring flange, the outer end of turn -up grasping inner circle, the outside of inner circle is equipped with outer lane (5), between inner circle and the outer lane, be equipped with one holder (6) respectively between the neck of ring flange and the outer lane, is equipped with one steel ball (7) on the holder, the inne