THK 2RSR770L Linear Slide Rail With Ball Bearing Carriage

Description:

The THK 2RSR770L Linear Slide Rail with Ball Bearing Carriage is a miniature precision LM Guide assembly featuring a 70 mm rail and a compact recirculating ball carriage measuring approximately 22 × 17 × 8 mm. It is designed to provide smooth, accurate, low-friction linear motion in compact equipment requiring high rigidity and reliable positioning. Commonly installed in semiconductor equipment, medical instruments, laboratory automation, optical inspection systems, precision measuring devices, and miniature automation machinery. Machine builders, maintenance technicians, and system integrators use this linear guide assembly for new equipment construction, precision retrofits, repairs, and replacement of miniature linear motion systems.

Applications:

The THK 2RSR770L belongs to THK's RSR miniature LM Guide Series, which utilizes a four-way equal-load recirculating ball design to deliver smooth travel, high positioning accuracy, and compact installation dimensions. The assembly includes a precision-ground 70 mm rail and a miniature carriage with approximate dimensions of 22 mm × 17 mm × 8 mm, making it ideal for compact linear motion applications where installation space is limited. Its stainless steel construction, low friction, and high rigidity make it suitable for electronics manufacturing equipment, pick-and-place systems, miniature robotics, precision inspection equipment, and laboratory automation.

Technical Specifications:

• Brand: THK
• Part Number: 2RSR770L
• Product Type: Miniature Linear Guide Assembly with Ball Bearing Carriage
• Series: RSR Miniature LM Guide Series
• Rail Length: 70 mm
• Guide Size: RSR7
• Approximate Carriage Dimensions: 22 × 17 × 8 mm
• Number of Carriages: 1
• Bearing Type: Recirculating Ball Linear Bearing
• Guide Design: Four-Way Equal Load
• Rail Material: Stainless Steel
• Block Material: Stainless Steel
• Ball Material: Stainless Steel
• Mounting Style: Top Mount
• Motion Type: Precision Linear Motion
• Lubrication: Grease or Oil Lubrication Compatible
• Corrosion Resistance: Stainless Steel Construction
• Features: Compact miniature profile, smooth low-friction operation, high positioning accuracy, low noise, high rigidity, four-direction equal load capability, precision-ground rail, corrosion-resistant construction, and long service life.

Common Replacements:

• THK 2RSR760L
• THK 2RSR780L
• THK 2RSR7100L