Traction roller bearing of coal feeder

The utility model discloses a traction roller bearing of a coal feeder, and belongs to the technical field of traction roller bearings. Comprising a bearing part, a supporting seat is arranged outside the bearing part, a rotating shaft penetrates through the bearing part, a clamping groove is formed in the side wall of the supporting seat, and an upper baffle and a lower baffle matched with the bearing part are arranged on the side wall of the supporting seat. According to the utility model, the upper baffle plate which can slide up and down and is clamped is matched with the lower baffle plate with the bumping post and the locking piece, so that the bearing piece is limited by matching with the supporting seat, the trouble that a tool needs to be found and a bolt is used for fixing and limiting after the common bearing piece slides into the supporting seat is solved, and the bearing piece is convenient to mount and dismount; the electromagnetic valve capable of being opened regularly is arranged to be matche