Linear slides also referred to as linear guides or linear-motion bearings, are types of bearings that allow smooth and near-frictionless motion in a single axis.
The working principles of linear slides are based on rolling element bearings, plain surface bearings, and magnetic bearings.
The bearings, carriage, and guide rails are the major components of a linear slide. Additional components such as drive units, sensors, controllers, lubrication systems, and others make up the whole linear motion guide system.
The most common types of linear slides are dovetail, boxway, sleeve bearing, linear bushing, linear slide, crossed roller, and ball screw slides.