THK HSR20-230L(GK) Precision Linear Guide Rail

Description:

The THK HSR20-230L(GK) Guide Rail (#146188) is a precision linear motion guide rail designed for use with THK HSR20 series linear guide blocks. As part of THK's Global Standard (GK) series, it provides smooth, accurate, and high-rigidity linear motion when paired with compatible HSR20 carriages featuring the Four-Way Equal Load design. 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 HSR20-230L(GK) Guide Rail is suitable for compact CNC machining centers, robotic positioning systems, semiconductor manufacturing equipment, automated inspection machines, medical devices, packaging machinery, and precision industrial automation requiring accurate, low-friction, and high-rigidity linear guidance. The 230 mm rail length makes it ideal for short-stroke, high-precision motion applications.

Technical Specifications:

• Manufacturer: THK Ltd.
• Reference Number: #146188
• Brand: THK
• Manufacturer Part Number: HSR20-230L(GK)
• Product Type: Precision Linear Guide Rail
• Series: HSR Global Standard (GK)
• Rail Size: HSR20
• Guide Rail Length: 230 mm
• Guide Rail Width: 20 mm
• Compatible Bearing Blocks: THK HSR20C, HSR20LC, HSR20R, HSR20LR Series
• Guide Type: Precision Recirculating Ball Linear Guide
• Load Design: Four-Way Equal Load
• Rail Mounting Hole Thread: M6 (tapped rail option available)
• Rail Mounting Hole Pitch: Standard THK HSR20 spacing
• Material: Hardened Bearing Steel
• Accuracy Grade: Global Standard (Normal or Precision grades available)
• Lubrication: Grease or Oil Lubrication Compatible
• Features: High rigidity, excellent running accuracy, self-aligning capability, low-friction operation, corrosion-resistant finish (depending on specification), and interchangeable with compatible THK HSR20 GK components.

Common Replacements:

• THK HSR20R Guide Rail (230 mm)
• THK HSR20C Guide Rail (230 mm)
• THK SHS20 Series Guide Rail