A slide assembly may be associated with a foldable cable management arm. The slide assembly includes inner and outer rails. The inner rail is slidable in the outer rail. The inner rail includes a ball bearing carrier disposed close to an end of the inner rail. The ball bearing carrier includes upper and lower ball receiving channels. The inner rail may be directly provided with the upper and the lower ball receiving channels and the ball bearings. Each of the upper and the lower ball receiving channels includes an open section positioned in use facing the outer rail. A plurality of ball bearings are contained in both the upper and the lower ball receiving channels and roll along the open sections of the upper and the lower ball receiving channels to support the outer rail.