THK Linear Guide Rail SHS20-1000L (20-20) - Precision Ball Profile Rail 1000 mm

THK Linear Guide Rail SHS20-1000L (20-20) - Precision Ball Profile Rail 1000 mm

The THK SHS20-1000L (20-20) linear guide rail is a high-precision ball profile rail system with a nominal width of 20 mm and a maximum length of 1000 mm. The SHS series is designed with four rows of balls arranged at a 45° contact angle, allowing it to handle loads in all directions equally.

Dimensions & Technical Specifications

• Nominal width: 20 mm

• Overall height: ~ 16.5 mm

• Length: 1000 mm

• Mounting holes: M6 threaded holes, pitch spacing 60 mm

• Material: hardened carbon steel, surface hardness 58-64 HRC

• Basic dynamic load rating: approx. 28.1 kN

• Series: SHS (Caged Ball LM Guide), optimized for smooth, long-term operation

Key Features & Benefits

• High precision and rigidity due to 4-row ball design

• Handles radial, axial, and lateral loads equally

• Long rail length (1000 mm) minimizes the need for joints in extended setups

• Standardized mounting dimensions ensure compatibility with THK SHS20 carriages and blocks

• High wear resistance and long service life thanks to hardened surface

Typical Applications

• CNC machinery and machine tools

• Automation lines and robotic systems

• Assembly tables, conveyors, handling equipment

• Industrial machinery requiring high rigidity and precise linear motion

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Long-tail queries:

• buy THK SHS20-1000L linear guide online

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FAQ

Q: What does the designation “SHS20-1000L (20-20)” mean?
A: “SHS” is the THK series of caged ball linear guides. “20-20” indicates the nominal rail width (20 mm). “1000L” specifies a 1000 mm long rail.

Q: What are the exact dimensions of the SHS20-1000L rail?
A: Width = 20 mm, height ≈ 16.5 mm, length = 1000 mm, mounting holes M6, spaced at 60 mm pitch.

Q: What is the load capacity of this rail?
A: The basic dynamic load rating is approx. 28.1 kN, suitable for medium-to-heavy load industrial applications.

Q: How hard is the surface of the rail?
A: The surface hardness is 58-64 HRC, ensuring excellent wear resistance.

Q: Where is the SHS20-1000L rail used?
A: In CNC machines, robotics, automation systems, conveyors, and industrial equipment requiring high precision linear motion.