Description
Product Overview
The LMK…LUU Series is the extended (long-type) version of the standard LMK…UU square flange linear bearing.
With an elongated bearing body and increased ball circuits, this series delivers:
Higher load capacity
Improved motion stability
Enhanced resistance to vibration
Longer service life
Its square flange design allows direct surface mounting onto machine plates, simplifying installation while providing strong structural support.
The LMK…LUU bearings are engineered to deliver smooth, precise, and low-friction linear motion when used with hardened optical shafts.
Key Features
Extended Long-Type Structure
The LUU version includes more rolling ball tracks, offering superior stability and load-bearing performance for long-stroke or high-speed applications.
High Precision Linear Motion
Precision-ground raceways and chrome steel balls ensure stable, accurate, and low-noise operation.
Square Flange for Easy Installation
The flange design enables direct face-mounting, improving rigidity and simplifying alignment.
Excellent Durability
Heat-treated GCr15 bearing steel provides outstanding wear resistance and long service life, even under continuous operation.
Optimized for Linear Shafts
Compatible with hardened, ground optical shafts (ISO standard), ensuring consistent performance.
Typical Applications
LMK…LUU extended flange linear bearings are widely used in:
CNC machines and automated cutting systems
Linear motion modules and positioning stages
Robotics and pick-and-place arms
Packaging machines and printing equipment
3D printers and laser engraving machines
Precision measuring and laboratory equipment
Woodworking tools and light industrial machinery
DIY automation and educational platforms
Why Choose Our LMK…LUU Series?
High precision manufacturing with strict QC standards
Smooth, stable motion with lower friction
Long service life due to premium hardened bearing steel
Complete metric size range available
OEM customization for flange material, sealing, and tolerances
Reliable performance with excellent cost-effectiveness
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