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Linear Roller Bearings

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

One of the most primitive examples of roller bearings is a simple set of logs laid along a path for rolling heavy objects. As the object is pulled along the logs, relatively little friction is produced compared with pulling it along a flat surface. Read More…

Linear Roller Bearings Linear rolling bearings are linear motion components used to provide low friction movement for a load moving across a surface by using rotating roller bearings.
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Leading Manufacturers

Bethel, CT  |  203-778-2727

With a multitude of bearing and slide designs available, both standard and custom designed models, Del-Tron Precision Inc. is proud to be a one-stop shopping experience for customers with linear motion needs.

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Del-Tron Precision, Inc. $$$

Bethel, CT  |  800-447-2042

TUSK Direct is a company that produces high quality linear motion components such as linear bearings as well as assemblies for automated equipment.

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Tusk Direct, Inc. $$$

Hatfield, PA  |  800-314-3332

Isotech is a distributor of precision linear motion components -- crossed roller linear bearings, ball slide assemblies, crossed roller slide tables, motorized tables, position stages and more.

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Isotech, Inc. $$$

San Rafael, CA  |  415-924-7938

Modern Linear guide rollers offer a versatile solution to a multitude of linear motion applications. All guide rollers have mating, complementary bushings and track. These components can be integrated into machine framing for a discrete and low cost automated system. Guide rollers offer a high performance and economical solution for a wide variety of applications.

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Modern Linear Incorporated $$$

Fort Mill, SC  |  800-284-9784

TPA Motion has been established to answer the ever-increasing demand for higher precision and lower costs. Our combined product offering provides designers with the widest variety of components for miniature automation tasks, and our ability to provide complete subassemblies answers the increasing demand for cost effective positioning solutions from a single source.

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TPA Motion $$$
placeholder image Del-Tron Precision, Inc. Tusk Direct, Inc. Isotech, Inc. Modern Linear Incorporated TPA Motion

Modern roller bearings operate on the same principles and roller bearings work similarly to ball bearing slides except that the bearings in the carriage are cylinder shaped rather than spherical. In these precision linear bearings, the rollers themselves are kept in place by sitting between v-shaped grooves of the top carriage and base. The stationary base provides the surface for the load to move across and the mobile carriage is able to bear the load to its desired position.

Linear rolling bearings are able to carry heavy loads and still provide low-friction motion. Roller slides tend to be a longer lasting option than ball slides as they distribute the weight of a load along the length of the cylinder, rather than on the point of a sphere, therefore resulting in less surface contact under pressure and less deterioration.

They are a relatively cheap motion device and are easy to manufacture and put into place. Linear motion bearings are used in a wide variety of applications. Industries such as manufacturing, consumer, medical and telecommunications all use roller bearings to aid in processing and operations. Aluminum and stainless steel are the materials commonly used to manufacture roller slide systems as they are durable metals which are able to withstand both the weight of loads and the wear and tear of motion.

Roller systems can be adjusted according to specific application requirements, and the addition of components such as support rails or guide wheels can further ensure the smooth linear motion. Some systems may include covers or bellows to protect against dirt and dust entering the shaft assembly, as well as rail wipers to clean the rails before the rollers are moved over them. Motion locks can also be used to slow or stop linear motion, or to hold a carriage position for a period of time.

The systems will require periodical maintenance however, especially in applications where airborne debris or corrosion may be a factor and with miniature linear bearings. To ensure the smoothest motion possible within the system, the assemblies may have to be opened and cleaned from time to time, as well used with a lubricating substance of sorts.

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