CGH25HA2R820ZAC

CGH25HA2R820ZAC Anti-torque Ball Linear Guideway-CG Series
$396.10 /Each    info

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Overview

Part Number CGH25HA2R820ZAC
Brand: LILY Brand: LILY Interchangeable With: HIWIN

Characteristics

System of Measurement Metric
Series Anti-torque Ball Linear Guideway
Assembly Type High Assembly
Block Model CGH25HAZAC
Block Type Square Type
Load Type Extra Heavy Load
Rail Mounting Type Locking(R)
Mounting Hole Size (M) M6*8
Number of blocks 2
Standard Lubrication Nipple M6*0.75P
Rail Model CGR25R820C
Rail Fixing Bolt Hole (mm) M6*22
Number of Rail Holes 14

Dimensions

Size 25 mm
Assembly Height (H) 40 mm
Distance from Block Bottom to Rail Bottom (H1) 6.1 mm
Distance from Both Sides of Rail to Both Sides of Block (N) 12.5 mm
Block Width (W) 48 mm
Block Mounting hole Width (B) 35 mm
Distance from Mounting Hole Center to Block Edge (B1) 6.5 mm
Grease Nipple Length (G) 13 mm
Block Mounting hole Length (C) 50 mm
Block Length (L) 101.4 mm
Rail Length 820 mm
Rail Width (WR) 23 mm
Rail Height (HR) 24.25 mm
Outer Diameter (D) 11 mm
Hole Depth (h) 9 mm
Inner Diameter (d) 7 mm
Pitch (P) 60 mm
End Distance (E) 20/20 mm

Performance

Accuracy Classs Normal C
Preload Code ★Z0 No Preload0~0.02of dynamic rated load
★ZA-Medium Preload0.05~0.07 of dynamic rated load
★ZB-Heavy Preload0.10~0.12 of dynamic rated load
Basic Dynamic Rated Load (C) 40.5 kN
Basic Static Rated Load (C0) 54.08 kN
Static Rated Moment (MR) 0.74 kN-m
Static Rated Moment (MP) 0.73 kN-m
Static Rated Moment (MY) 0.73 kN-m

Properties

Block weight 0.59 kg
Rail weight 3.38 kg/m
CGH25HA2R820ZAC Anti-torque Ball Linear Guideway-CG Series data sheet
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CAD1

The Anti-Torque Ball Linear Guideway CG Anti-torque Ball Linear Guideway features a Square Type block, characterized by its symmetrical, cube-like profile that delivers exceptional rigidity and the ability to withstand high loads from multiple directions — including radial, reverse, and lateral forces. Combined with its specialized anti-torque design that provides superior resistance to torsional forces and rotational moments that would otherwise cause misalignment and motion inaccuracy in conventional guideways, the Square Type block makes it the ideal choice for precision industrial applications such as CNC machining centers and automation systems where maximum torsional rigidity, structural stability, and precise linear motion are simultaneously required.

 

The Anti-Torque Ball Linear Guideway CG Anti-torque Ball Linear Guideway is designed for Extra Heavy Load applications, capable of withstanding extraordinarily high radial, lateral, and reverse loads simultaneously — surpassing the capacity of standard heavy load configurations by a significant margin. Combined with its specialized anti-torque design that provides superior resistance to torsional forces and rotational moments that would otherwise cause misalignment and motion inaccuracy in conventional guideways, it makes the ideal choice for the most demanding industrial applications such as large-scale CNC machining centers and heavy-duty automation systems where maximum load capacity, superior torsional rigidity, and precise linear motion are simultaneously required.

 

The Anti-Torque Ball Linear Guideway CG Anti-torque Ball Linear Guideway features a High Assembly type, characterized by its elevated mounting configuration that positions the rail and block at a greater installation height, providing enhanced structural rigidity and superior load-bearing capacity. Combined with its specialized anti-torque design that provides superior resistance to torsional forces and rotational moments that would otherwise cause misalignment and motion inaccuracy in conventional guideways, the High Assembly type makes it the ideal choice for demanding industrial applications such as large-scale CNC machining centers and heavy-duty automation systems where maximum structural performance, superior torsional rigidity, installation flexibility, and precise linear motion are simultaneously required.

 

What is the defining characteristic of the Square Type block in an Anti-Torque Ball Linear Guideway CG Anti-torque Ball Linear Guideway?

The Square Type block is defined by its symmetrical, cube-like profile that maintains an equal height and width dimension, creating a highly balanced and rigid structure. In the context of the Anti-Torque CG Anti-torque Ball Linear Guideway, this square profile works in conjunction with the specialized anti-torque design to deliver exceptional rigidity, multi-directional load resistance, and superior resistance to torsional forces and rotational moments — making it uniquely capable of maintaining precise linear motion accuracy even under the most demanding combined load and torque conditions encountered in heavy-duty industrial applications.

 

How does the Extra Heavy Load rating present unique challenges to the anti-torque design of the CG Anti-torque Ball Linear Guideway?

The Extra Heavy Load rating presents the most severe challenges to the anti-torque design of the CG Anti-torque Ball Linear Guideway, as the extraordinarily elevated contact stresses under extra heavy loading dramatically amplify the torsional forces acting on the rail-block interface, creating conditions where even minor geometric imperfections in the anti-torque constraint surfaces could allow significant rotational deflection to develop. To address these extreme challenges, the CG Anti-torque Ball Linear Guideway anti-torque geometry is engineered to its highest performance specification, with the constraint surfaces manufactured to the tightest available tolerances and treated with the most advanced surface hardening processes to withstand the maximum possible combined load and torsional stress conditions. The result is a guideway system capable of maintaining full torsional rigidity and motion accuracy under force combinations that would cause catastrophic rotational deflection in any conventional linear guideway design.

 

What defines the High Assembly type in an Anti-Torque Ball Linear Guideway CG Anti-torque Ball Linear Guideway?

The High Assembly type is defined by its elevated mounting configuration that positions the rail and block at a greater installation height, providing a larger block body and greater internal capacity for an enhanced number of load-bearing ball circuits and a deeper raceway profile. In the context of the Anti-Torque CG Anti-torque Ball Linear Guideway, this increased height works in conjunction with the specialized anti-torque rail geometry to deliver the maximum possible load capacity, superior structural rigidity, and exceptional torsional resistance — making it the most structurally capable anti-torque guideway configuration available for the most demanding heavy-duty industrial applications.

 

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