The HIWIN HGR25R4000H is a premium linear guideway component designed for applications that require extreme precision and high load capacity. Firstly, this rail belongs to the HG series, which features a circular-arc design that allows for high rigidity and equal load ratings in all four directions. Consequently, users benefit from a robust motion control solution that performs reliably under complex loading conditions.

Technical Dimensions and Structural Specifications

In addition to its high-grade performance, the HGR25R4000H features very precise physical dimensions. It has a rail width of 23 mm and a rail height of 22 mm. Regarding its installation layout, the rail includes a hole pitch (P) of 60 mm, with mounting hole diameters (D) of 11 mm. Furthermore, the total production length for this specific unit is 4,000 mm, which provides a massive range for long-stroke automation projects. Therefore, this model serves as an ideal choice for heavy-duty CNC machinery and industrial robotics.

Advanced Loading and Design Features

Specifically, the HG series rail is engineered to provide smooth movement even under heavy preloads. Moreover, the rail supports a maximum length of 3,900 mm when the end distances (E1/E2) are equal, but this production model extends to 4,000 mm. Because the rail is manufactured from high-quality alloy steel, it offers a sturdy weight of 3.21 kg/m, ensuring structural stability during high-speed travel. As a result, the system maintains its alignment and precision even when the machinery generates significant vibration.

Additionally, this rail features a standard E1 and E2 end distance of 20 mm, ensuring compatibility with standard HIWIN HGH or HGW blocks. The design ensures that the contact stress is distributed evenly across the rolling elements. Because of this optimized geometry, the rail requires less maintenance throughout its functional lifecycle.

Common Industrial Applications

Because of its superior rigidity and durable build, the HIWIN HGR25R4000H appears in many high-precision sectors. For example, machining centers, grinding machines, and automated transport equipment frequently rely on this specific 25 mm rail. Finally, the combination of H-class precision and massive 4,000 mm length ensures that your machinery operates with maximum efficiency. This makes it a top-tier selection for any project that prioritizes both high load performance and long-term durability.