The Igus WSM-1012-20 is a metal spherical bearing from Igus's Plain Bearing series. It is made from metal, in a ball shape, and has an inner diameter of 10 mm, an outer diameter of 12 mm, and is 20 mm in length. The bearing has a load capacity of 2800 N and a maximum rotational speed of 700 rpm. It is suitable for applications involving moderate speed rotation, low vibration, and linear motion. The bearing is resistant to water, oil, and dust, and is designed to last for an extended period of time with minimal maintenance.