The invention relates to an air-cooled feeding roller for an annular furnace. The air-cooled feeding roller for the annular furnace comprises bearing seats and a feeding roller part, wherein two ends of the feeding roller part are respectively supported and mounted in the bearing seats of the corresponding ends by bearings; the air-cooled feeding roller for the annular furnace is characterized in that air inlet channels connected to inner cavities of the bearing seats are formed in the bearing seats; the feeding roller part comprises a roller shaft and a roller body; shaft necks at two ends of the roller shaft are supported and mounted in the bearing seats on the two sides by the bearings; the roller shaft is of a hollow structure; air inlet holes connected to the inner cavity of the roller shaft are formed in the shaft necks at the two ends of the roller shaft and are used for connecting the inner cavity of the roller shaft with the inner cavities of the bearing seats; the roller body sleeves and is fixed on the roller shaft; the roller body is of a hollow structure; annular cavities are formed between the roller body and the roller shaft; air vents used for connecting the inner cavity of the roller shaft with the annular cavities are formed in the wall of the roller shaft; air outlets used for connecting the annular cavities to the outside air are formed in the wall of the roller shaft. Through the air-cooled feeding roller for the annular furnace, all the parts of the whole feeding roller are effectively cooled; the service life of equipment is prolonged; the maintenance cost is reduced.