THK HRW21-150L Linear Guide Rail

Description:

The THK HRW21-150L Guide Rail is a precision wide-rail linear motion guide used with compatible THK HRW21 bearing blocks to provide smooth, rigid, and accurate linear travel in industrial automation systems. Commonly installed in CNC machine tools, semiconductor equipment, packaging machinery, industrial robots, and precision inspection systems where compact, high-rigidity linear guidance is required. Maintenance teams, OEM machine builders, and system integrators use this guide rail for machine repairs, rail replacements, automation retrofits, and precision motion system upgrades.

Applications:

The THK HRW21-150L Guide Rail is commonly used in CNC machining centers, pick-and-place equipment, automated assembly systems, semiconductor manufacturing machinery, medical devices, packaging equipment, vision inspection systems, and other factory automation applications requiring a compact, low-profile, high-rigidity linear guide with a 150 mm rail length.

Technical Specifications:

• Manufacturer: THK Ltd.
• Manufacturer Part Number (MPN): HRW21-150L
• Brand: THK
• Product Type: Linear Guide Rail (LM Rail)
• Series: HRW Wide-Rail LM Guide
• Rail Size: 21 mm
• Rail Length: 150 mm
• Rail Width: 37 mm
• Rail Height: 11 mm
• Guide Type: Wide-Rail, Four-Way Equal Load
• Material: Hardened Bearing Steel
• Mounting Style: Through-Hole Mounting
• Mounting Hole Pitch (Standard): 50 mm
• Lubrication: Grease or Oil Lubrication Compatible
• Compatible Bearing Blocks: THK HRW21CA / HRW21CAM / HRW21CR / HRW21CRM
• Surface Finish: Precision Ground Raceway
• Typical Applications: CNC machinery, robotics, semiconductor equipment, packaging machinery, and industrial automation systems
• Internal Reference: #212156

Common Replacements:

• THK HRW21-230L Guide Rail
• THK HRW21-380L Guide Rail
• THK HRW21-480L Guide Rail