Quick, Competitive, Custom Designs For Linear Motion Control Del-Tron Precision Inc. manufactures linear bearings including: Slide Guides Linear Actuators Pneumatic Actuators Lead Screw Actuators Linear Motion Control Devices And Actuators Linear Ball Bearing Slides Crossed Roller Linear  Slides XY Linear  Positioners Motor- Ready Lead Screw Driven Linear Bearing Stages Friction-Free Linear Air Actuators Recirculating  Linear Slide Guides Linear Crossed Roller Rail Sets Products range from subminiature slides to heavy duty positioning tables, both straight line design and re-circulating type. Modified slides can be incorporated into your design. 3D CAD drawing files can be downloaded into your design. Linear slides and bearings driven by lead screws, pneumatics or micrometer heads