Abstract: A vacuum pump includes a rotor and a rotary bearing, which is to be supplied with an operating medium, for the rotatable support of the rotor, wherein the rotor has a conveying section, in particular a conical conveying section, for supplying the operating medium to the rotary agent. A conveying pump is provided for conveying the operating medium and/or an operating medium store is provided having an absorbent storage means for the operating medium. Further, at least one wick is provided which is in contact with the conveying section to transfer the operating medium provided from the conveying pump and/or from the absorbent storage means to the conveying section in a desired quantity.