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The HGH15HA-HGH65HA Lengthen Square Linear Guide Slider is a precision-engineered linear motion component designed for high-performance industrial applications, crafted to deliver ultra-smooth and accurate linear movement under heavy load conditions. Manufactured with premium 55# steel as the core material and heat-treated to achieve a hardness rating of 58-62 HRC, this lengthened square linear guide slider stands out for its exceptional structural rigidity and wear resistance. What sets this product apart is its high-precision machining and top-grade steel ball accessories, which boost the accuracy of the linear guide rail and extend the service life of the slider while minimizing equipment maintenance rates. Available in a full model range from HGH15HA to HGH65HA, it is fully customizable to match the exact dimensional and load requirements of diverse industrial motion systems, making it a staple component for high-precision mechanical design.
The slider is forged from high-quality 55# steel, a carbon steel alloy renowned for its excellent tensile strength and wear resistance. Through professional heat treatment, the material reaches a uniform hardness of 58-62 HRC across the entire component, eliminating weak points and ensuring resistance to deformation and abrasion even under long-term high-speed operation and cyclic loading. This robust material selection directly reduces part fatigue and extends the overall service life of the linear motion system.
Calibrated to international precision grades C, H, P, the HGH15HA-HGH65HA Lengthen Square Linear Guide Slider meets the strict accuracy demands of ultra-precise motion applications. The adoption of high-quality steel balls and precision-machined accessory parts ensures minimal clearance between the slider and guide rail, reducing vibration and noise during operation and achieving repeatable linear positioning accuracy. The high guide rail accuracy further optimizes the force distribution of the slider, avoiding uneven wear and maintaining consistent performance over time.
A core advantage of this linear guide slider is its low maintenance design. The precision-machined ball circulation channel and high-quality lubrication retention structure reduce the frequency of re-lubrication and part replacement. The optimized structural design also lowers the equipment maintenance rate, cutting down unplanned downtime and overall operational costs for industrial production lines—an essential benefit for 24/7 continuous operation scenarios.
Model | Assembly Dimensions [mm] | Carriage Dimensions [mm] | Rail Dimensions [mm] | Rail Mounting Hole Dimensions [mm] | Basic Dynamic Load Rating C [kN] | Basic Static Load Rating C₀ [kN] | Allowable Moment [kN·m] | Weight | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
H | H₁ | N | W | B | B₁ | C | L₁ | L | K₁ | K₂ | G | Mxl | T | H₂ | H₃ | W₁ | H₄ | D | h | d | P | E | Mₐ | Mᵦ | Mᵧ | Carriage [kg] | ||||
HGH15CA | 28 | 4.3 | 9.5 | 34 | 26 | 4 | 26 | 39.4 | 61.4 | 10 | 4.85 | 5.3 | M4x5 | 6 | 7.95 | 7.7 | 15 | 15 | 7.5 | 5.3 | 4.5 | 60 | 20 | M4x16 | 11.38 | 16.97 | 0.12 | 0.10 | 0.10 | 0.18 |
HGH20CA | 30 | 4.6 | 12 | 44 | 32 | 6 | 36 | 50.5 | 77.5 | 12.25 | 6 | 12 | M5x6 | 8 | 6 | 6 | 20 | 17.5 | 9.5 | 8.5 | 6 | 60 | 20 | M5x16 | 17.75 | 27.76 | 0.27 | 0.20 | 0.20 | 0.30 |
HGH20HA | 30 | 4.6 | 12 | 44 | 32 | 6 | 50 | 65.2 | 92.2 | 12.6 | 6 | 12 | M5x6 | 8 | 6 | 6 | 20 | 17.5 | 9.5 | 8.5 | 6 | 60 | 20 | M5x16 | 21.18 | 35.90 | 0.35 | 0.35 | 0.35 | 0.39 |
HGH25CA | 40 | 5.5 | 12.5 | 48 | 35 | 6.5 | 35 | 58 | 84 | 16.8 | 6 | 12 | M6x8 | 8 | 10 | 9 | 23 | 22 | 11 | 9 | 7 | 60 | 20 | M6x20 | 26.48 | 36.49 | 0.42 | 0.33 | 0.33 | 0.51 |
HGH25HA | 40 | 5.5 | 12.5 | 48 | 35 | 6.5 | 50 | 78.6 | 104.6 | 19.6 | 6 | 12 | M6x8 | 8 | 10 | 9 | 23 | 22 | 11 | 9 | 7 | 60 | 20 | M6x20 | 32.75 | 49.44 | 0.56 | 0.57 | 0.57 | 0.69 |
HGH30CA | 45 | 6 | 16 | 60 | 40 | 10 | 40 | 70 | 97.4 | 20.25 | 6 | 12 | M8x10 | 8.5 | 9.5 | 13.8 | 28 | 26 | 14 | 12 | 9 | 80 | 20 | M8x25 | 38.74 | 52.19 | 0.66 | 0.53 | 0.53 | 0.88 |
HGH30HA | 45 | 6 | 16 | 60 | 40 | 10 | 60 | 93 | 120.4 | 21.75 | 6 | 12 | M8x10 | 8.5 | 9.5 | 13.8 | 28 | 26 | 14 | 12 | 9 | 80 | 20 | M8x25 | 47.27 | 69.16 | 0.88 | 0.92 | 0.92 | 1.16 |
HGH35CA | 55 | 7.5 | 18 | 70 | 50 | 10 | 50 | 80 | 112.4 | 20.6 | 7 | 12 | M8x12 | 10.2 | 16 | 19.6 | 34 | 29 | 14 | 12 | 9 | 80 | 20 | M8x25 | 49.52 | 69.16 | 1.16 | 0.81 | 0.81 | 1.45 |
HGH35HA | 55 | 7.5 | 18 | 70 | 50 | 10 | 72 | 105.8 | 138.2 | 22.5 | 7 | 12 | M8x12 | 10.2 | 16 | 19.6 | 34 | 29 | 14 | 12 | 9 | 80 | 20 | M8x25 | 60.21 | 91.63 | 1.54 | 1.40 | 1.40 | 1.92 |
HGH45CA | 70 | 9.5 | 20.5 | 86 | 60 | 13 | 60 | 97 | 139.4 | 23 | 10 | 12.9 | M10x17 | 16 | 18.5 | 30.5 | 45 | 38 | 20 | 17 | 14 | 105 | 22.5 | M12x35 | 77.57 | 102.71 | 1.98 | 1.55 | 1.55 | 2.73 |
HGH45HA | 70 | 9.5 | 20.5 | 86 | 60 | 13 | 80 | 128.8 | 171.2 | 28.9 | 10 | 12.9 | M10x17 | 16 | 18.5 | 30.5 | 45 | 38 | 20 | 17 | 14 | 105 | 22.5 | M12x35 | 94.54 | 136.46 | 2.63 | 2.68 | 2.68 | 3.61 |
HGH55CA | 80 | 13 | 23.5 | 100 | 75 | 12.5 | 75 | 117.7 | 166.7 | 27.35 | 11 | 12.9 | M12x18 | 17.5 | 22 | 29 | 53 | 44 | 23 | 20 | 16 | 120 | 30 | M14x45 | 114.44 | 148.33 | 3.69 | 2.64 | 2.64 | 4.17 |
HGH55HA | 80 | 13 | 23.5 | 100 | 75 | 12.5 | 95 | 155.8 | 204.8 | 36.4 | 11 | 12.9 | M12x18 | 17.5 | 22 | 29 | 53 | 44 | 23 | 20 | 16 | 120 | 30 | M14x45 | 139.35 | 196.20 | 4.88 | 4.57 | 4.57 | 5.49 |
HGH65CA | 90 | 15 | 31.5 | 126 | 76 | 25 | 70 | 144.2 | 200.2 | 43.1 | 14 | 12.9 | M16x20 | 25 | 15 | 15 | 63 | 53 | 26 | 22 | 18 | 150 | 35 | M16x50 | 163.63 | 215.33 | 6.65 | 4.27 | 4.27 | 7.00 |
HGH65HA | 90 | 15 | 31.5 | 126 | 76 | 25 | 120 | 203.6 | 259.6 | 47.8 | 14 | 12.9 | M16x20 | 25 | 15 | 15 | 63 | 53 | 26 | 22 | 18 | 150 | 35 | M16x50 | 208.36 | 303.13 | 9.38 | 7.38 | 7.38 | 9.82 |
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The HGH15HA-HGH65HA Lengthen Square Linear Guide Slider is engineered for a wide range of high-precision and heavy-load industrial sectors, including CNC machinery (milling machines, lathes, machining centers) where precise tool positioning is critical; aerospace and war industry for high-reliability motion components in precision equipment; industrial manipulators for smooth and accurate arm movement; and all types of automation equipment (conveyor systems, assembly lines) for consistent linear motion. It is also widely used in high-precision measuring instruments and heavy-duty material handling systems, adapting to both vertical and compact installation configurations.
Installation: Ensure the mounting surface is flat and free of debris; maintain strict parallelism between the guide rail and the mounting base to avoid uneven force on the slider. Tighten the mounting bolts to the specified torque and check for smooth slider movement post-installation with no jamming.
Basic Maintenance: Regularly clean the guide rail and slider surface to remove dust and metal shavings; use high-quality lithium-based lubricating grease for re-lubrication (frequency based on operating environment—3-6 months for general environments, 1-2 months for dusty/abrasive environments). Inspect steel balls and seal parts for wear and replace damaged components promptly.
Whether you need standard HGH15HA-HGH65HA models or custom lengthened square linear guide slider solutions for specific industrial applications, our professional team provides one-stop technical support and fast quotation services. We offer accurate dimensional matching, load capacity calculation, and on-site installation guidance to ensure our linear guide sliders perfectly integrate with your equipment. Contact us now with your model, length, and application requirements to get a customized quote and delivery plan!
