THK SR20V1SS-GK Linear Bearing Block For LM System

Description:

The THK SR20V1SS(GK) Linear Bearing Block is a compact radial-type linear guide carriage designed for THK SR20 LM Guide rails, providing smooth, high-precision linear motion with excellent rigidity and low friction. Commonly installed in CNC machine tools, semiconductor equipment, robotics, packaging machinery, precision measuring instruments, and automated production systems. Maintenance teams and system integrators use this bearing block for OEM replacement, machine repair, retrofit projects, and new precision linear motion assemblies.

Applications:

The THK SR20V1SS(GK) is engineered for precision positioning systems requiring compact dimensions, high radial load capacity, and reliable linear guidance. Its self-adjusting four-row ball raceway design makes it suitable for factory automation, electronic assembly equipment, optical inspection machines, laboratory automation, medical devices, pick-and-place systems, and other industrial machinery where smooth and accurate linear travel is essential.

Technical Specifications:

• Manufacturer: THK
• Part Number: SR20V1SS(GK)
• Product Type: Linear Bearing Block (LM Guide Carriage)
• Series: SR20V (SR LM System)
• Guide Type: Radial Type Linear Motion Guide
• Compatible Rail Size: 20 mm
• Block Style: V Type (Compact Block)
• Bearing Design: Four-Row Recirculating Ball Raceway
• Overall Height (M): 28 mm
• Overall Width (W): 42 mm
• Overall Length (L): 47.3 mm
• Block Width (B): 32 mm
• Mounting Thread Size: M5 × 8 mm
• Dynamic Load Rating: 13.4 kN
• Static Load Rating: 17.2 kN
• Seal Configuration: SS (End Seal + Side Seal + Inner Seal)
• Material: Stainless Steel
• Lubrication: Grease or Oil Lubrication
• Operating Temperature: -20°C to 80°C
• Features: Compact radial design, self-adjusting capability, high positioning accuracy, low-friction operation, excellent rigidity, quiet operation, corrosion resistance, and long service life.

Common Replacements:

• THK SR20W1SS(GK) Linear Bearing Block
• THK SR20TBSS Linear Bearing Block
• THK SSR20V1SS Linear Bearing Block