Disclosed is an apparatus for manufacturing sausages or the like having a nozzle (2) or stuffing a material such as a meat emulsion into a casing (c) or sausages or the like, a pump (1) for supplying the material into the nozzle, a chuck (47) for rotating the casing stuffed by the nozzle, and a linking device (5) for clamping the stuffed casing discharged from the chuck and for forming the casing stuffed with the material into the form of a chain in cooperation with the chuck. The apparatus includes a device for rotatively driving the chuck which includes a housing (26), a rotary member (16) accommodated rotatably inside the housing and adapted to rotate the chuck (47) with the chuck inserted and fixed therein, a bearing (31) for rotatably supporting the rotary member, a sealing device (40) for preventing the entrance of a foreign substance such as the material into the bearing, and a rotation transmitting device for rotatively driving the rotary member, the bearing having a sealing member (46) for sealing a lubricant for the bearing in the bearing.