Thk SR15-820LY Linear Motion Guide Rail 820mm

Description:

The THK SR15-820LY Linear Motion Rail is an 820 mm precision linear guide rail designed for SR15 series linear motion guide blocks, providing smooth, accurate, and low-friction linear travel in compact automation systems. Commonly installed in semiconductor manufacturing equipment, precision measuring machines, medical devices, packaging equipment, CNC machinery, and factory automation systems requiring reliable linear guidance. Maintenance teams and system integrators use this rail for OEM replacement, machine repair, retrofit projects, and the construction of precision linear motion assemblies.

Applications:

The THK SR15-820LY rail is engineered for compact, high-precision linear motion applications where smooth movement, high rigidity, and long service life are essential. Its hardened raceways and precision-ground profile make it suitable for robotics, electronic assembly equipment, laboratory automation, vision inspection systems, material handling equipment, and other industrial automation machinery using SR15 linear guide blocks.

Technical Specifications:

• Manufacturer: THK
• Manufacturer Part Number: SR15-820LY
• Product Type: Linear Motion Guide Rail
• Series: SR15 Radial Type LM Guide
• Rail Length: 820 mm
• Rail Width: 15 mm
• Rail Height: 12.5 mm
• Compatible Bearing Blocks: SR15V, SR15W, SR15SB, SR15TB
• Guide Type: Radial Type Linear Motion Guide Rail
• Rail Style: Standard Precision Rail
• Ball System: Full Ball Linear Guide
• Mounting Hole Pitch (F): 60 mm
• End Distance (G): 20 mm
• Rail Screw Size: M3.5
• Material: Hardened Alloy Bearing Steel
• Surface Hardness: 58–64 HRC
• Maximum Standard Rail Length: 3000 mm (model dependent)
• Lubrication: Compatible with grease or oil lubrication
• Accuracy Grades: Normal, H, P, SP, UP
• Corrosion Protection: Optional surface treatment available
• Features: Precision-ground raceways, compact profile, high rigidity, low-noise operation, self-adjusting capability, excellent wear resistance, smooth low-friction travel, and long service life.

Common Replacements:

• THK SR15-820L(GK) Rail
• THK SR15-760LY Rail
• THK SR15-940LY Rail