High Precision Heavy Load Linear Guide Rails Low Friction Corrosion Resistant
SEXGL Linear Guide Rails deliver unparalleled accuracy and durability in high-precision automation systems, trusted by global leaders like BYD (EV powertrain assembly) and BOE (LCD panel cutting robots) across North America, Europe, Southeast Asia, and South Korea.Linear guide rails are high-precision mechanical components designed to enable smooth, friction-reduced linear motion in industrial machinery and automation systems. These rails consist of a hardened steel track paired with a carriage (or slider) equipped with ball bearings or rollers, ensuring minimal resistance during movement. Widely used in CNC machines, robotics, 3D printers, and assembly lines, linear guide rails enhance accuracy, repeatability, and load-bearing performance in dynamic applications.
Key Characteristics
High Rigidity & Load Capacity: Engineered with hardened steel, the rails withstand heavy loads (up to 20,000 N static load capacity) without deformation.
Precision Engineering: Ultra-fine grinding processes ensure tolerances as tight as ±0.005 mm/m for flawless alignment.
Low Friction & Smooth Motion: Recirculating ball bearings or rollers reduce friction by up to 90% compared to traditional sliding systems.
Corrosion Resistance: Optional stainless steel or coated variants for harsh environments (e.g., food processing, marine).
Modular Design: Supports customization in length, preload levels, and sealing options for dust/liquid protection.
Working Theory
Linear guide rails operate on the principle of rolling contact mechanics. The carriage houses multiple rows of precision balls or rollers that circulate within a closed-loop raceway as the carriage moves along the rail. This design converts sliding friction into rolling friction, drastically reducing energy loss and wear. Preload adjustments ensure optimal contact between rolling elements and raceways, eliminating backlash and enhancing positional accuracy. Lubrication channels and seals maintain long-term performance by minimizing contamination.
Details
Series | Installation | Dimensions of the block | Dynamic | Static | |||||
Size | dim.[mm] | [mm] | load Cdyn[N] | load Co[N] | |||||
H | W | B | c | L1 | L | M×1 | |||
HGH15CA | 28 | 34 | 260 | 26 | 394 | 614 | M4×5 | 11380 | 16970 |
HGH20CA | 30 | 44 | 320 | 36 | 505 | 775 | M5×6 | 17750 | 27760 |
HGH20HA | 30 | 44 | 320 | 50 | 652 | 922 | M5×6 | 21180 | 35900 |
HGH25CA | 40 | 48 | 350 | 35 | 580 | 840 | M6×8 | 26480 | 36490 |
HGH25HA | 40 | 48 | 350 | 50 | 786 | 1,046 | M6×8 | 32750 | 49440 |
HGH30CA | 45 | 60 | 400 | 40 | 700 | 974 | M8×10 | 38740 | 52190 |
HGH30HA | 45 | 60 | 400 | 60 | 930 | 1,204 | M8×10 | 47270 | 69160 |
HGH35CA | 55 | 70 | 500 | 50 | 800 | 1,124 | M8×12 | 49520 | 69160 |
HGH35HA | 55 | 70 | 500 | 72 | 1,058 | 1,382 | M8×12 | 60210 | 91630 |
HGH45CA | 70 | 86 | 600 | 60 | 970 | 1,394 | M10×17 | 77570 | 102710 |
HGH45HA | 70 | 86 | 600 | 80 | 1,288 | 1,712 | M10×17 | 94540 | 136460 |
HGH55CA | 80 | 100 | 750 | 75 | 1,177 | 1,667 | M12×18 | 114440 | 148330 |
HGH55HA | 80 | 100 | 750 | 95 | 1,558 | 2,048 | M12×18 | 139350 | 196200 |
HGH65CA | 90 | 126 | 760 | 70 | 1,442 | 2,002 | M16×20 | 163630 | 215330 |
HGH65HA | 90 | 126 | 760 | 120 | 2,036 | 2,596 | M16×20 | 208360 | 303130 |
Series | Installation | Dimensions of the block | Dynamic | Static | |||||
Size | dim.[mm] | [mm] | load Cdyn[NJ | load Co[N] | |||||
H | W | B | C | L1 | L | M | |||
HGW15CC | 24 | 47 | 380 | 30 | 394 | 614 | M5 | 11380 | 16970 |
HGW20SC | 30 | 63 | 530 | 一 | 295 | 543 | M6 | 12190 | 16110 |
HGW20CC | 30 | 63 | 530 | 40 | 505 | 775 | M6 | 17750 | 27760 |
HGW20HC | 30 | 63 | 530 | 40 | 652 | 922 | M6 | 21180 | 35900 |
HGW25CC | 36 | 70 | 570 | 45 | 580 | 840 | M8 | 26480 | 36490 |
HGW25HC | 36 | 70 | 570 | 45 | 786 | 1,046 | M8 | 32750 | 49440 |
HGW30CC | 42 | 90 | 720 | 52 | 700 | 974 | M10 | 38740 | 52190 |
HGW30HC | 42 | 90 | 720 | 52 | 930 | 1,204 | M10 | 47270 | 69160 |
HGW35CC | 48 | 100 | 820 | 62 | 800 | 1,124 | M10 | 49520 | 69160 |
HGW35HC | 48 | 100 | 820 | 62 | 1,058 | 1,382 | M10 | 60210 | 91630 |
HGW45CC | 60 | 120 | 1,000 | 80 | 970 | 1,394 | M12 | 77570 | 102710 |
HGW45HC | 60 | 120 | 1,000 | 80 | 1,288 | 1,712 | M12 | 94540 | 136460 |
HGW55CC | 70 | 140 | 1,160 | 95 | 1,177 | 1,667 | M14 | 114440 | 148330 |
HGW55HC | 70 | 140 | 1,160 | 95 | 1,558 | 2,048 | M14 | 139350 | 196200 |
HGW65CC | 90 | 170 | 1,420 | 110 | 1,442 | 2,002 | M16 | 163630 | 215330 |
HGW65HC | 90 | 170 | 1,420 | 110 | 2,036 | 2,596 | M16 | 208360 | 303130 |