Linear Guide Products


Manufacturing a broad range of linear bearings and linear guides, TPA can supply the right solution for your payload guidance and load bearing requirements.   Linear bearings are designed to carry payloads from one point to another along a fixed path or rail, using precision, low friction transportation either via ball bearings or rollers.   In order to meet the demands of the any industrial environment, our linear bearings are available in a number of sizes, load ratings, and with various features.   For example, besides our standard linear bearings, we also carry miniature linear bearings, high temperature linear bearings, crossed roller bearings, needle roller bearings, and cam roller guides.

Depending upon the specific type, linear bearings are available with load capacities up to 320 kN (72,000 lbs.), with industry standard rail sizes from 15 to 65.   A number of standard linear bearing rail lengths are available, but with splicing, nearly any length can be achieved.  View the links below for full details on all of our linear bearing styles.

Email or call us to discuss your application or click on links below to see more!

Standard Linear Guides (Recirculating Ball Type)
Most Popular in Industrial Automation Applications

Standard Linear Guides provide high capacity, low friction guidance of payloads for machine applications.   With 4 rows of recirculating balls engaged in a precision ground rail, these bearings provide load capacity in all directions.

Miniature Linear Guides (Recirculating Ball Type)
Most Popular in Desktop Medical Systems

Miniature Linear Guides are basically an extremely small version of the standard linear guide products.  To make them small and compact they have only 2 rows of recirculating balls engaged in a precision ground rail.  This allow for very low height from the bottom of the rail to the top of the block.   Like their bigger brother thee bearings also support loading in all directions.

assembly-cross section

Linear Guides (Recirculating Roller Type)
Most Popular in Machine Tools Applications

This product (MG Series) is designed for high loads and very high stiffness.   It is mainly used in machine tool applications.   Four rows of recirculating rolling elements engaged in a precision ground rail, these bearings provide load capacity in all directions.

assembly-cross section

To visit our Linear Positioning Systems website to see our "custom" capabilities.

The Precision Alliance
4215 Pleasant Rd., Fort Mill, SC 29708

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