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Miniature profile rail guides LLM

In response to the market trend for high performance within a minimum of mounting space, SKF provides a product range of miniature profile rail guides with designation LLM (fig. 1). The SKF miniature profile rail guides consist of a profile rail with precision-ground raceways and a carriage containing two rows of balls. SKF offers seven rail sizes and fourteen different types of carriages - comprising different widths, carriage lengths and preload classes. Rails, carriages and balls of SKF miniature profile rail guides are made from stainless steel as standard (fig. 2).

In addition, SKF offers a technical advisory service as well as a vast modular range for increases in the performance of machines and installations. 

Features and benefits

  • Very compact design enables maximum utilization of mounting space and reduced machine weight
  • Long service life and reduced maintenance
  • High reliability due to the use of stainless steel components and factory pre-lubrication

Technical data

Rangefrom size 7 to 15 mm
Speed3 m/s
Accelerationup to 80 m/s2
Accuracyup to 6 µm / 1 000 mm
Operating temperature-20 to +80 °C
Rail length in one piece*
up to 1 000 mm
up to 5 830 N
C0up to 10 600 N

*for rail length >1 000 mm, please contact SKF

Typical applications

  • Automation technology, e.g. pick-and-place manipulators
  • Electronics, e.g. PCB drilling and routing machine
  • Medical, e.g Optical instruments, Lab automation
  • Pneumatics, e.g. compact piston rod cylinder

Miniature profile rail guides LLM

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