Linear Rails

A reliable source for Linear Slide information and leading Linear Slide Companies & Manufacturers.

Typically stationary, linear rails have grooves ground into their sides that run along the entire length of the rail, in which the linear bearing roller element, whether it by cylindrical or spherical, can move within. Since the linear bearings are limited by the grooves, linear rails are able to control the direction that the linear bearings move in. Read More…

Linear Rails

Leading Manufacturers

Bethel, CT  |  203-778-2727

Del-Tron is a linear slide manufacturer/distributor of ball bearing slides, crossed roller tables, roller slides, multi-axis positioning stages, xy tables, motor-ready lead screw stages & crossed roller rail sets. With the world’s first subminiature heavy-duty ball slide with straight-line design & recirculating feature, custom designs are available. Website life/load calculators & CAD drawings.

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Del-Tron Precision, Inc. $$$

Bethel, CT  |  800-447-2042

When describing Tusk Direct, a linear slide distributor, products such as linear motion components, roller tables, ball & crossed roller slides, dovetail slides, bushings, multi-axis positioners & motor ready lead screw actuators, come to mind. Our linear slide products (subminiature - heavy duty) offer high accuracy & long travel available. Same day shipment, life-load calculators, cad drawings.

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Tusk Direct, Inc. $$$

San Rafael, CA  |  415-924-7938

Modern Linear manufactures guide roller components and integrated slides for applications ranging from clean/vacuum environments to food processing/packaging, and heavy contamination. Our versatile and durable products have been specified in semiconductor and medical equipment as well as demanding military machinery. We continue to develop products with unique features to benefit the growing mechanical automation market.

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Modern Linear Incorporated $$$

Bloomfield, NY  |  800-642-6446

Established in 1967, Velmex makes manual & motor driven dovetail slides, open frame tables, twin rail slides, rotary and XY stages. Choose hand, lead screw or belt drive. Our UniSlide, XSlide & BiSlide Assemblies can do scanning, indexing and positioning. Use them to move sensors, antennas, cameras, measure distance & more. See our website for more information, or call today!

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Velmex, Inc. $$$

Hicksville, NY  |  516-595-7495

Isel USA manufactures and distributes a diverse set of quality linear motion and automation products. We offer linear slides in both belt and ball screw driven versions with a variety of options. Our linear slides are ideal for applications such as assembly, routing and drilling, inspection, dispensing and welding. For more information on how we can build your success, call today.

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Isel USA, Inc. $$$

Lansdale, PA  |  800-313-4753

SKF Motion Technologies is a leading global supplier of linear slides that offer precise motion. Our products range covers the guiding variants of linear ball bearings, miniature profile rails and precision rails. Call us today for all of your linear motion needs.

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Ewellix $$$
placeholder image Del-Tron Precision, Inc. Tusk Direct, Inc. Modern Linear Incorporated Velmex, Inc. Isel USA, Inc. Ewellix

As an integral part of a linear slide, linear rails are utilized in a wide range of industries including: medical and pharmaceutical, for use in drug dispensing applications as well as positioners in hospital furniture such as beds and chairs; food and beverage, for processing and packaging applications; industrial manufacturing, for use in automated machinery such as drilling and grinding machines as well as other factory and process automation applications; and automotive, for use in components such as engine compartments.

Linear rails are also used in many other diverse industries, such as semiconductor, chemical processing, optical, textile and commercial, for application ranging from office machinery to CNC machining centers.

Linear rails have a very simple design: solid, flat metal body with two grooved sides that extend from the flat base in 90º angles. The size of the grooves, also known as raceways, affects the load-carrying capacity of the linear slide. A linear rail is one of the main components of a linear slide, the other being a moving carriage.

The moving carriage has mobility due to either ball bearings or roller bearings; although, ball bearings are more common. Inside the moving carriage there is typically a type of screw assembly, either with a ball screw or lead screw, and a nut.

The nut provides the linear movement since it is threaded onto the non-rotating part of the screw, then driven along the threads of the screw in the corresponding direction to the screw's rotational movement.

Linear rails can be either manual or motorized. Motorized linear rails have a more complex design, and both types can be hardened or ground for increased tensile strength.

Some common types of motorized linear rails include belt drive rails and chain drive rails. Linear belt drive rails have the addition of a belt made from various elastomers, allowing for quiet, yet rapid linear motion. Often used as alternatives to belt drive rails, linear chain drive rails are better suited for high temperature environments and are mainly employed in lifting applications.

Linear Rails Informational Video