EGH25SA Linear Guide

EGH25SA Linear Guide

Product Description

The EGH25SA is a low-profile linear guide carriage from the EG Series (Low-Profile Ball Type). It is engineered for automated machinery, robotics, and linear actuators where spatial envelopes are constrained, yet structural stiffness remains essential.

Compact "SA" Geometry & Mounting

The "SA" (Medium Load) designation identifies this as a short-body block configuration. Featuring a compact length of 59.1 mm, it incorporates a two-bolt top-mounting pattern rather than the standard four-hole arrangement. This shortened profile minimizes moving carriage mass and maximizes available travel stroke, making it well-suited for space-critical axes with limited longitudinal clearance.

Omni-Directional Loading & Self-Alignment

Part of the EG Series, the EGH25SA utilizes a four-row ball configuration with a 45-degree contact angle to deliver equal load capacity in radial, reverse-radial, and lateral directions. It incorporates a self-aligning circular-arc groove design to absorb minor mounting bed inaccuracies and is fully compatible with standard EGR25 rails.

Product Advantages
1.Axial & Vertical Envelope Reduction: Well-suited for applications where standard-height linear carriages exceed spatial constraints, helping engineers minimize machine frame profiles.
2.Low Inertia & Reduced Mass: Weighing 0.25 kg, the compact mass of the EGH25SA carriage reduces overall load inertia, supporting higher axis acceleration rates.
3.High Rigidity & Hardened Raceways: Controlled heat treatment elevates the surface hardness of the guide raceways (typically HRC 58–62), supporting smooth motion and consistent positioning accuracy under load.
4.Low-Friction, Quiet Operation: Optimized internal recirculation paths and premium materials minimize the friction coefficient, maintaining smooth travel at elevated operating speeds.
5.Tri-Shield Environmental Sealing: Features an integrated multi-point sealing system (end, side, and bottom seals) to protect internal bearing components against dust, particulate, and cutting fluid ingress.

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