Gear, gear transmission, method and equipment for manufacturing gear

A gear (1) includes a first, radially inner ring element (2), a second, radially outer ring element (3) and a connecting element (4), wherein the second, radially outer ring element (2) includes a toothing (8), wherein further the connecting element (4) is arranged in the radial direction between the first, radially inner ring element (2) and the second, radially outer ring element (3) and is connected to the first, radially inner ring element (2) and the second, radially outer ring element (3), and wherein the connecting element (4) is made at least partly from a rubbery-elastic material, andwherein a deviation of the coaxiality of the outer diameter (9) of the first, radially inner ring element (2) to the inner diameter (10) of the second, radially outer ring element (3) amounts to a maximum of 0.8 mm and/or the toothing (8) of the radially outer ring element (3) is formed with teeth (11) having different tooth thicknesses (12). 本发明涉及一种齿轮(1)，它包括径向内部的第一环元件(2)、径向外部的第二环元件(3)和连接元件(4)，所述径向外部的第二环元件(2)具有齿部(8)，此外所述