An endoscope comprising: a grip section; an insertion section configured to be bendable, extend from a base end to an idle end, and be rotatable about an extension direction thereof; a functional member provided to the idle end; a plurality of control wires, trailing ends of which are fixed to the idle end; a traction member provided to the base end and configured to tow starting ends of the plurality of control wires so as to bend the insertion section; a linear section which is provided to the base end and is not bendable; and, a spherical bearing which is provided at an opposite side of the linear section with the traction member interposed therebetween so that a coaxial degree of the spherical bearing with respect to the linear section is maintained, wherein, when the insertion section is rotated, the functional member, the plurality of control wires, and the traction member are rotated along with the insertion section, and the traction member maintains a bending direction and bending angle of the insertion section by changing a traction amount with respect to the plurality of control wires; wherein the traction member includes a rotation portion connected to the linear section, the plurality of control wires are respectively connected to different positions on an outer circumference of the rotation portion, and the rotation portion is inclinable with respect to a plane orthogonal to an axis of the linear section and is rotated along with the linear section in an inclined state; and, wherein the traction member includes a stationary portion that relatively rotatably supports the rotation portion, and the stationary portion is supported so as to be inclinable with respect to the plane orthogonal to the axis of the linear section by the spherical bearing, characterized in that the endoscope further comprises a link member arranged for transferring a force generated by a first operation portion provided on the grip section of the endoscope to the stationary portion for inclining the stationary portion. a grip section; an insertion section configured to be bendable, extend from a base end to an idle end, and be rotatable about an extension direction thereof; a functional member provided to the idle end; a plurality of control wires, trailing ends of which are fixed to the idle end; a traction member provided to the base end and configured to tow starting ends of the plurality of control wires so as to bend the insertion section; a linear section which is provided to the base end and is not bendable; and, a spherical bearing which is provided at an opposite side of the linear section with the traction member interposed therebetween so that a coaxial degree of the spherical bearing with respect to the linear section is maintained, wherein, when the insertion section is rotated, the functional member, the plurality of control wires, and the traction member are rotated along with the insertion section, and the traction member maintains a bending direction and bending angle of the insertion section by changing a traction amount with respect to the plurality of control wires; wherein the traction member includes a rotation portion connected to the linear section, the plurality of control wires are respectively connected to different positions on an outer circumference of the rotation portion, and the rotation portion is inclinable with respect to a plane orthogonal to an axis of the linear section and is rotated along with the linear section in an inclined state; and, wherein the traction member includes a stationary portion that relatively rotatably supports the rotation portion, and the stationary portion is supported so as to be inclinable with respect to the plane orthogonal to the axis of the linear section by the spherical bearing, characterized in that the endoscope further comprises a link member arranged for transferring a force generated by a first operation portion provided on the grip section of the endoscope to the stationary portion for inclining the stationary portion.