Ultra-high Rigidity Model SRG

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Ultra-high Rigidity Model SRG

An ultra-heavy load Roller Guide with a rigidity twice that of our full-ball type LM Guide. It has global standard dimensions and achieves long-term maintenance-free operation.

The SRG is an ultra-heavy Roller Guide with a rigidity twice that of a full-ball type LM Guide. It has global standard dimensions and achieves a high rigidity through the use of highly rigid rolling elements and an over-all roller element length of more than 1.5 times greater than that of the roller diameter. A 45 degree roller contact angle ensures that the LM block receives an equal load rating in the radial, reverse radial and lateral directions. Roller cages are utilized to reduce rolling resistance fluctuation and facilitate smooth and stable motion.

SRG is an ultra-high rigidity Roller Guide that uses roller cages to allow low-friction, smooth motion and achieve long-term maintenance-free operation.
● Ultra-high rigidity
To achieve ultra-high rigidity, it uses rollers, which are less subject to elastic deformation, for
the rolling elements, and optimizes the roller diameter and the roller length.
In addition, each row of rollers is arranged at a contact angle of 45°so that the guide receives
an equal load rating in all four directions (radial, reverse-radial and lateral directions).
● Smooth motion through skewing prevention
The roller cage allows rollers to form an evenly spaced line while circulating, thus preventing
the rollers from skewing as the block enters an loaded area. As a result, fluctuation of the
rolling resistance is minimized, and stable, smooth motion is achieved.
● Long-term maintenance-free operation
Use of roller cages eliminates friction between rollers and increases grease retention, enabling
long-term maintenance-free operation to be achieved.
● Global standard size
SRG is designed to have dimensions almost the same as that of model HSR, which as
a pioneer of the linear motion system has developed and is practically a global standard model.

Feature of Ultra-high Rigidity Model SRG

1. Enhanced Dust-proof
(1) Sealing: Seal design from single-lip to double-lip, preventing dust more effectively.
(2) Hardness: Harden the end seals through heat treatment to absorb the impact while operating.
(3) Working Environment: Double seals provide a better solution of dust-proof, especially in high contamination working environment.
(4) Service life Extension: Enhanced dust-proof reduce the possibility of block damage due to dust issue.

The scraper prevent the high temperature iron chip or dust from entering the block.
There is a Felt accessory between end cap and seals. Felt with oil lubricates the rail while operating even without a grease nipple.


  • Machine tool, Industrial machinery, Electronic application, Semi-conductor industries, X-Y table, Measuring instruments, Medical industry, Pick & go application etc.

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