Strand guiding roller for guiding a metallic strand in a continuous casting facility, comprising - at least two support blocks; - a stationary axle which connects the two support blocks to one another in a torsionally stiff manner, and which along its longitudinal extent has at least in portions a cavity; - at least one roller jacket which coaxially surrounds at least one axle portion of the axle; - for each roller jacket at least one cooling duct for receiving a cooling fluid for cooling the roller jacket; wherein - there is for each roller jacket at least one bearing, preferably two bearings, preferably rolling bearings, disposed between an axle portion surrounded by the roller jacket and the roller jacket, for mounting the roller jacket so as to be rotatable about the axle; - wherein each bearing is disposed in a bearing support bushing which is disposed between an axle portion surrounded by the roller jacket and the roller jacket; - wherein there is at least one duct between the bearing support bushing and the roller jacket, and wherein there is at least one duct between the bearing support bushing and the axle; - and wherein there is at least one duct which connects the cavity in the axle to the duct between the bearing support bushing and the axle, and there is at least one duct which connects the cavity in the axle, or the duct between the bearing support bushing and the axle, to the duct between the bearing support bushing and the roller jacket; - and wherein there is in the bearing support bushing at least one duct which connects the duct between the bearing support bushing and the axle, and/or the duct between the bearing support bushing and the roller jacket, to the cooling duct for receiving a cooling fluid for cooling the roller jacket. - at least two support blocks; - a stationary axle which connects the two support blocks to one another in a torsionally stiff manner, and which along its longitudinal extent has at least in portions a cavity; - at least one roller jacket which coaxially surrounds at least one axle portion of the axle; - for each roller jacket at least one cooling duct for receiving a cooling fluid for cooling the roller jacket; - there is for each roller jacket at least one bearing, preferably two bearings, preferably rolling bearings, disposed between an axle portion surrounded by the roller jacket and the roller jacket, for mounting the roller jacket so as to be rotatable about the axle; - wherein each bearing is disposed in a bearing support bushing which is disposed between an axle portion surrounded by the roller jacket and the roller jacket; - wherein there is at least one duct between the bearing support bushing and the roller jacket, and wherein there is at least one duct between the bearing support bushing and the axle; - and wherein there is at least one duct which connects the cavity in the axle to the duct between the bearing support bushing and the axle, and there is at least one duct which connects the cavity in the axle, or the duct between the bearing support bushing and the axle, to the duct between the bearing support bushing and the roller jacket; - and wherein there is in the bearing support bushing at least one duct which connects the duct between the bearing support bushing and the axle, and/or the duct between the bearing support bushing and the roller jacket, to the cooling duct for receiving a cooling fluid for cooling the roller jacket.