Robot having a first assembly (4, 5), and a second assembly (3, 6), wherein the first assembly (4, 5) is a first robotic arm and the second assembly (3, 6) is a second robotic arm, wherein the second robotic arm is connected to the first robotic arm in a manner pivotable about a pivot axis extending in the axial direction, wherein bearing arrangements (24, 25, 52, 53), by which the second robotic arm (3, 6) is moveable relative to the first robotic arm (4, 5), are provided in the first robotic arm (4, 5), wherein the bearing arrangements (24, 25, 52, 53) comprise a first fastening element (26, 27, 54, 55) and rotatably mounted shafts (34, 35, 64, 65), and the second robotic arm (3, 6) comprises a second fastening element (30, 31, 60, 61), wherein the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) are connected with each other, and wherein the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) are at least in sections complementary, wherein the first fastening element (26, 27, 54, 55) or the second fastening element (30, 31, 60, 61) forms a receptacle (32, 33, 62, 63), and the other of the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) forms a protrusion (28, 29, 56, 57), and wherein for fastening, the protrusion (28, 29, 56, 57) can be inserted into the receptacle (32, 33, 62, 63) in a direction of insertion, and wherein the first robotic arm comprises at one end two jaws (22, 23) extending in parallel and at a distance, wherein the second robotic arm is mounted between the jaws (22, 23), and the rotatably mounted shafts (34, 35) are provided coaxially in both jaws (22, 23), or wherein the second robotic arm comprises at one end two jaws (58, 59) extending in parallel and at a distance, wherein the first robotic arm is mounted between the jaws (58, 59), and the ends of at least one of the shafts (64, 65) arranged in the first robotic arm are provided coaxially on both outer sides of the first robotic arm, characterized in that the protrusion (28, 29, 56, 57) is at least in sections a graduated circle, and the receptacle (32, 33, 62, 63) is at least in sections in the shape of a segment of a circle. a first assembly (4, 5), and a second assembly (3, 6), wherein the first assembly (4, 5) is a first robotic arm and the second assembly (3, 6) is a second robotic arm, wherein the second robotic arm is connected to the first robotic arm in a manner pivotable about a pivot axis extending in the axial direction, wherein bearing arrangements (24, 25, 52, 53), by which the second robotic arm (3, 6) is moveable relative to the first robotic arm (4, 5), are provided in the first robotic arm (4, 5), wherein the bearing arrangements (24, 25, 52, 53) comprise a first fastening element (26, 27, 54, 55) and rotatably mounted shafts (34, 35, 64, 65), and the second robotic arm (3, 6) comprises a second fastening element (30, 31, 60, 61), wherein the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) are connected with each other, and wherein the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) are at least in sections complementary, wherein the first fastening element (26, 27, 54, 55) or the second fastening element (30, 31, 60, 61) forms a receptacle (32, 33, 62, 63), and the other of the first fastening element (26, 27, 54, 55) and the second fastening element (30, 31, 60, 61) forms a protrusion (28, 29, 56, 57), and wherein for fastening, the protrusion (28, 29, 56, 57) can be inserted into the receptacle (32, 33, 62, 63) in a direction of insertion, and wherein the first robotic arm comprises at one end two jaws (22, 23) extending in parallel and at a distance, wherein the second robotic arm is mounted between the jaws (22, 23), and the rotatably mounted shafts (34, 35) are provided coaxially in both jaws (22, 23), or wherein the second robotic arm comprises at one end two jaws (58, 59) extending in parallel and at a distance, wherein the first robotic arm is mounted between the jaws (58, 59), and the ends of at least one of the shafts (64, 65) arranged in the first robotic arm are provided coaxially on both outer sides of the first robotic arm, characterized in that the protrusion (28, 29, 56, 57) is at least in sections a graduated circle, and the receptacle (32, 33, 62, 63) is at least in sections in the shape of a segment of a circle.