Description
Extended-Type Linear Motion Bearings for Higher Stability and Enhanced Load Capacity
Product Overview
The LM…LUU Linear Bearing Series is an extended-length version of the standard LMUU linear bearing, designed for applications requiring greater load capacity, improved rigidity, and smoother long-stroke motion.
The elongated outer shell provides a larger contact surface and supports additional rows of rolling balls, significantly reducing vibration, shaft deflection, and misalignment. LM-LUU bearings are widely used in CNC machinery, automation equipment, linear stages, and precision instruments requiring high stability.
These bearings fit aluminum and steel housings such as SC-LUU, SBR-LUU, TBR-LUU blocks, and coordinate with hardened linear shafts.
Key Features
Extended Body for Higher Stability
The long-body structure increases rigidity and reduces shaft bending, improving movement accuracy and consistency.
Enhanced Load Capacity
More rolling elements and extended raceways allow LM-LUU bearings to support higher radial loads and longer-duty cycles than LMUU.
Smooth & Low-Friction Motion
Precision-ground raceways and hardened balls deliver stable, fluid motion with minimal noise.
Better Alignment Capability
Longer bearing contact area improves shaft alignment, reducing wear and extending system lifespan.
Sealed Protection (UU)
Both ends include rubber seals to prevent dust and contaminants from entering the bearing.
Typical Applications
LM…LUU bearings are ideal for applications requiring high stability and long travel, such as:
CNC routers, milling and engraving machines
Automation & industrial handling systems
Linear positioning stages
3D printers & precision DIY machinery
Packaging and labeling machinery
Laser cutting / welding equipment
Optical instruments, measuring systems
Robotics and motion control machines
Why Choose Our LM…LUU Series?
Constructed using premium bearing steel under strict quality control
Designed for high loads, long travel, and stable linear motion
Smooth movement with low friction and reduced vibration
Full metric size range with OEM customization options
Compatible with SC-LUU, SBR-LUU, TBR-LUU housings and linear shafts
Cost-effective solution with fast lead time and reliable performance
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