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Miniature LM Guide Model RSX Product Lineup Expanded with Six New Models of RSX20 and RSX25

THK CO., LTD. (Location: Minato, Tokyo; President: Takashi Teramachi; hereinafter referred to as “THK”) has expanded the lineup of its Miniature LM Guide Model RSX products with the addition of new Model RSX20 and Model RSX25 variations.

Miniature LM Guide Model RSX
Miniature LM Guide Model RSX

The Model RSX is a miniature LM Guide that achieves smooth motion through an optimized ball circulation structure. With two rows of raceways instead of the usual four, it boasts more compact outer dimensions that contribute to smaller equipment designs. Despite being compact, its ball contact structure is capable of receiving loads in all directions, and it can be used as a single axis in locations where moments are applied.

In addition to the previous 28 models we offered (Model RSX5 to RSX15), we have now added six new Model RSX20 and Model RSX25 products to our lineup.
Besides proving useful for general machinery, these offerings can also be utilized in applications that require more precise operations, such as semiconductor manufacturing equipment and medical devices. By expanding the number of options available to customers, we will meet a wider variety of their needs.

THK will continue to use the technology and know-how we have cultivated as a top manufacturer of linear motion guides to develop and provide products suited to our customers' needs.

Models added to the lineup

Model

No.

Standard type
Short block Standard block Long block
RSX20 Yes  Yes  Yes
RSX20  Yes  Yes  Yes

Related information

Learn more about the Miniature LM Guide Model RSX here

Note: This information was originally released in Japanese on March 11, 2026.

Contact information

Please direct any media inquiries to:

Marketing & Public Relations Department, THK CO., LTD.
Phone: +81-3-5730-3845
E-mail: thk-sp@thk.co.jp