A medical pendant assembly has an anchor plate that is attachable to a roof structure and a first rotation shaft that includes a shaft outer ring, a shaft inner ring, and a ball spacer sleeve. The ball spacer sleeve is disposed between the shaft outer ring and the shaft inner ring. A lower portion of the shaft outer ring includes a first flange. An upper portion of the shaft outer ring includes a second flange. The second flange of the first rotation shaft is either attached directly to the anchor plate or attached to the anchor plate via an extension assembly. A first arm is attached to the first flange of the first rotation shaft.