THK 2RSR12WVMUU470M Ball Bearing LM Guide Block

Description:

The THK 2RSR12WVMUU470M Linear Mount with Ball Bearing Slide Carriages is a miniature precision LM Guide assembly consisting of two wide linear guide blocks mounted on a 470 mm stainless steel rail. Designed for compact, high-accuracy linear motion, it delivers smooth travel, low friction, and four-way equal load capability for precision automation applications. Commonly installed in semiconductor equipment, medical devices, laboratory instruments, optical inspection systems, and compact automation machinery. Machine builders, maintenance technicians, and system integrators use this assembly for new equipment construction, retrofits, repairs, and replacement of miniature linear guide systems.

Applications:

The THK 2RSR12WVMUU470M belongs to THK's RSR-WVM miniature LM Guide Series, featuring a wide, long block design that provides higher load capacity and greater permissible moment than the standard RSR-M model. The assembly includes two stainless steel RSR12WVM blocks with UU double end seals mounted on a 470 mm precision-ground rail. The wider block design improves rigidity and stability while maintaining compact dimensions, making it ideal for precision positioning systems, electronics manufacturing equipment, robotics, measuring instruments, and other applications requiring smooth, accurate linear guidance in limited installation space.

Technical Specifications:

• Brand: THK
• Part Number: 2RSR12WVMUU470M
• Product Type: Miniature Linear Guide Assembly with Ball Bearing Slide Carriages
• Series: RSR-WVM Miniature LM Guide Series
• Model: RSR12WVM
• Rail Length: 470 mm
• Guide Size: 12 mm
• Number of Carriages: 2
• Block Type: Wide, Long Block (WVM)
• Bearing Type: Recirculating Ball Linear Bearing
• Rail Material: Stainless Steel
• Block Material: Stainless Steel
• Ball Material: Stainless Steel
• Seal Type: UU (Double End Seals)
• Block Width: 40 mm
• Block Height: 14 mm
• Block Length: 44.5 mm
• Dynamic Load Rating: 3.86 kN
• Static Load Rating: 5.57 kN
• Preload Grade: Normal or C1 Light Preload (configuration dependent)
• Accuracy Grade: Normal, High (H), or Precision (P) depending on specification
• Lubrication: Grease or Oil Lubrication Compatible
• Features: Four-way equal load design, compact miniature construction, wide long-block configuration for increased rigidity, high positioning accuracy, low friction, corrosion-resistant stainless steel construction, smooth operation, and long service life.

Common Replacements:

• THK 2RSR12WMUU470M
• THK 2RSR12WVMUU310M
• THK 2RSR14WVMUU470M