Roller Linear Guideway

Traditional linear guides utilize spherical ball bearings, concentrating loads on a single microscopic point. Under extreme forces, this point contact undergoes elastic deformation, inducing structural compliance (often described as "sponginess") in the axis.
The RG Solution: The RG Series replaces balls with cylindrical rollers that interface with the rail along a solid line. By distributing the load over a significantly larger surface area, the cylindrical rollers drastically reduce elastic deformation. This delivers up to 300% higher structural stiffness than ball-type equivalents, ensuring uncompromising positional stability during the heaviest machining operations.

The RG Series is engineered specifically for high-precision, heavy-load environments where multi-directional forces are common.
Omnidirectional Stiffness: Designed with four rows of rollers configured at a symmetrical 45-degree contact angle, the RG Series exhibits uniform load-carrying capacity across all primary axes: radial (downward), reverse-radial (upward), and lateral (sideways).
Reduced Stress Concentration: Distributing stress evenly along the linear contact area of the rollers prevents localized material fatigue (spalling). This ensures an extended service life even in continuous, 24/7 heavy-duty production environments.

Heavy gantries and machine structures often subject linear guideways to high torsional forces (pitch, yaw, and roll).
The Benefit: Thanks to the robust structural design of the RG carriages and the high stiffness of the cylindrical rollers, this series offers superior moment-load resistance. It effectively prevents carriage deflection (rocking) when the tooling head is offset or cantilevered from the rail center.