Bearing roller heat abstractor for coating

The utility model discloses a bearing roller heat abstractor for coating, including the bearing roller body, set up at rolling bearing, the bearing frame at bearing roller body both ends and be connected the pivot with rolling bearing, the lower part of bearing frame is provided with the bearing frame base, the middle part of bearing frame is provided with the through -hole, be provided with rolling bearing in the through -hole, first wind -guiding passageway and second wind -guiding passageway have been seted up respectively to the both ends of bearing frame, along third wind -guiding passageway has been seted up to the periphery of bearing frame, the one end and the first wind -guiding passageway intercommunication of third wind -guiding passageway, the other end and the second wind -guiding passageway intercommunication of third wind -guiding passageway, first wind -guiding path connection has the one end of air -supply line, the other end of air -supply line is connected with the air -cooler, second wind