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