A godet for transporting and heating fibers comprises an outer and an inner cylindrical shell which define an annular space therebetween for the flow of a fluid heating medium, an end wall secured to the outer shell, and a bearing shaft attached to the end wall via radial and axial fitting surfaces. A continuous layer of heat-insulating material is provided for the radial and axial fitting surfaces. Also, a godet construction having means to collect and return leakage oil from the outside of a bearing housing to the inside of the housing is disclosed.