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The PRIO EGH EGW linear guide slider is a high-performance linear motion component engineered for industrial precision and durability, designed to deliver smooth, stable linear movement for heavy-duty and high-precision equipment. Our dual-hole square linear guide block and flanged linear guide block series feature a reinforced dual-hole mounting design that elevates structural stability and anti-vibration performance, making it the ideal precision linear guide for CNC and automated production lines. Crafted from premium SCM420H hardened steel linear guide material with professional heat treatment and precision grinding processes, every PRIO EGH-EGW slider meets strict industrial tolerance standards (≤0.01mm). This product line balances high load capacity and compact structural design, perfectly adapting to the space and performance requirements of modern industrial machinery, and has become a reliable choice for global manufacturers in machining, automation, and metal processing fields.
As a professional heavy load linear guide for industrial machinery, the PRIO EGH-EGW series integrates optimized structural design and high-quality material selection, with core competitive advantages as follows:
Reinforced dual-hole mounting structure: Enhances connection firmness, reduces lateral displacement during high-speed operation, and improves the slider’s anti-torque and moment load resistance by 20% compared to single-hole models.
SCM420H/S55C hardened steel material: Surface hardness reaches HRC58-62, ensuring excellent wear resistance and corrosion resistance, extending the service life by 30% in harsh industrial environments with dust and frequent friction.
Precision ground raceway: Achieves ultra-smooth linear motion, low noise (≤45dB), and no jitter, meeting the high-precision requirements of CNC machining and precision measuring equipment.
Integrated lubrication port: Simplifies daily maintenance, allows one-click grease injection without disassembly, and reduces equipment downtime for maintenance.
Sealed dust-proof design: Equipped with high-quality rubber dust rings to prevent dust and debris from entering the internal structure, protecting the rolling elements and maintaining long-term performance stability.
| Model | Rail Size (mm) | Static Load Capacity (kN) | Dynamic Load Capacity (kN) | Moment Load (kN·m) | Net Weight (kg) | Design Type |
EGH15CA | 15 | 12.5 | 5.8 | 0.18 | 0.32 | Square |
EGH20CA | 20 | 26.7 | 12.4 | 0.52 | 0.68 | Square |
EGH25CA | 25 | 45.9 | 21.3 | 1.15 | 1.25 | Square |
EGW15SA | 15 | 15.2 | 7.1 | 0.22 | 0.38 | Flanged |
EGW20SA | 20 | 31.8 | 14.7 | 0.65 | 0.75 | Flanged |
EGW35CA | 35 | 78.9 | 36.8 | 2.86 | 2.98 | Flanged |
The dual-hole square linear guide block features a compact integrated square body, specially designed for equipment with limited installation space such as small CNC lathes, precision engraving machines and compact automation modules. With moderate load capacity and lightweight design, it ensures stable and firm installation in narrow spaces, and is the mainstream CNC machine linear motion parts for light to medium load industrial scenarios.
The flanged linear guide block has an extended flanged base with multi-directional dual-hole mounting holes, which greatly improves lateral stability and moment load resistance. With higher static and dynamic load capacity, it is suitable for heavy-duty equipment such as large gantry machining centers, heavy-duty automation conveyors and metal cutting machines, and is the preferred linear guide slider for automation system in high-load, high-speed continuous operation scenarios.
Thanks to its high precision, durability and flexible model selection, the PRIO EGH EGW linear guide slider is widely applied in various industrial fields where stable linear motion is required:
CNC machining: CNC lathes, milling machines, gantry machining centers, laser cutting machines (matching high-precision motion control needs).
Industrial automation: robotic arms, automated assembly lines, material handling equipment, packaging machinery (adapting to continuous high-speed operation).
Metal & woodworking: metal cutting machines, woodworking engraving machines, panel saws (resisting vibration and dust in machining processes).
Precision manufacturing: measuring instruments, electronic component processing equipment, medical device production lines (meeting micron-level precision requirements).
A key advantage of the PRIO EGH-EGW series is being a HIWIN compatible linear guide block, which is fully interchangeable with original HIWIN EGH/EGW linear guide rails and sliders without modifying the installation dimensions, hole spacing or structural design. This compatibility greatly reduces the replacement cost of equipment maintenance and upgrade for manufacturers, and the consistent precision performance ensures seamless connection with existing linear motion systems. Whether for new equipment design or old equipment replacement, our sliders provide a cost-effective and high-performance alternative solution.
The pre-drilled design of PRIO EGH EGW linear guide slider realizes quick assembly, with only two key steps for standard installation: align the slider with the guide rail’s raceway and fix it with matching high-strength mounting bolts (torque values are clearly marked on product labels and manuals). For basic daily maintenance, inject lithium-based grease through the integrated lubrication port every 200 hours of continuous operation; clean the dust ring and raceway surface regularly to remove debris, and replace the dust ring in time if it is worn or deformed, to ensure the long-term stable operation of the slider. All PRIO sliders are equipped with detailed multilingual installation and maintenance manuals, providing professional technical support for global customers.
The PRIO EGH EGW linear guide slider is a professional linear motion component built for industrial efficiency and precision, with its reinforced dual-hole design, high-quality hardened steel material, and HIWIN compatibility making it a trusted choice for CNC, automation and heavy-duty machinery applications. If you need customized models or technical parameter matching, contact our engineering team to get a free quote and professional selection advice for your industrial production needs.
