Picking roller bearing seat of corn harvester

The utility model discloses an ear picking roller bearing seat of a corn harvester, which belongs to the field of corn harvesters, and comprises two bearing seat bodies arranged on an ear picking roller unit, opposite holes are arranged on the two bearing seat bodies, one hole is a threaded hole, the other hole is a round through hole, and the two bearing seat bodies are arranged on the two bearing seat bodies. Pin shafts are mounted in the two holes, penetrate through the round through holes and are in threaded connection with the threaded holes, each pin shaft comprises a round rod, the outer diameter of each round rod is smaller than the inner diameter of each hole, a cap head is fixedly connected to one end of each round rod, a threaded part is arranged at the end, at least away from the cap head, of each round rod, and the threaded parts can be in threaded connection with the interiors of the threaded holes. And the operation positions for mounting and dismounting the pin shaft are concentrated in the ov