THK Co., Ltd. HSR25-220L(GK) Linear Guide Rail

Description:

The THK HSR25-220L(GK) Linear Guide Rail is a precision hardened alloy steel linear motion guide rail designed for use with THK HSR25 series linear guide blocks. As part of THK's Global Standard (GK) series, it provides smooth, high-rigidity linear motion with four-way equal load capability, making it suitable for demanding industrial applications. Commonly installed in CNC machine tools, industrial robots, semiconductor equipment, packaging machinery, and factory automation systems, this guide rail is used by maintenance teams, OEM machine builders, and system integrators for equipment repair, retrofit, expansion, and replacement.

Applications:

The THK HSR25-220L(GK) Linear Guide Rail is widely used in CNC machining centers, automated manufacturing equipment, robotic systems, semiconductor production equipment, inspection machines, medical devices, packaging machinery, and precision positioning systems requiring accurate linear motion, high load capacity, low friction, and long service life. Its Global Standard design allows interchangeability with compatible HSR25 series guide blocks while maintaining high positioning accuracy.

Technical Specifications:

• Manufacturer: THK Ltd.
• Brand: THK
• Manufacturer Part Number: HSR25-220L(GK)
• Product Type: Linear Guide Rail
• Series: HSR Global Standard (GK)
• Rail Size: 25 mm
• Rail Length: 220 mm
• Rail Width: 23 mm
• Rail Height: 22 mm
• Material: Hardened Alloy Steel
• Rail Type: Standard Mounting Rail
• Mounting Hole Pitch: 60 mm
• Hole Type: Counterbored Through Holes
• Compatible Guide Blocks: HSR25A, HSR25CA, HSR25LA, HSR25LC, HSR25HA, HSR25HC (GK Series)
• Load Direction: Four-way equal load (radial, reverse radial, and lateral)
• Accuracy Grade: Global Standard
• Lubrication: Grease or Oil Lubrication Compatible
• Corrosion Resistance: Standard Carbon Steel Construction
• Country of Origin: Japan
• Features: High rigidity, precision-ground raceways, smooth linear motion, low friction, excellent moment load capacity, interchangeable GK design, and long service life.

Common Replacements:

• THK HSR25-220L Standard Linear Guide Rail
• THK SHS25-220L Linear Guide Rail
• THK SR25-220L Precision Guide Rail