The LM 12 UU MGK is a high-performance 12 mm linear ball bearing with double seals, designed for smooth, quiet, and reliable motion along linear shafts. Perfect for CNC, automation, and 3D printer systems, this compact and durable bushing offers excellent dust protection and long-lasting precision.
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The LM 12 UU MGK is a compact linear ball bushing designed for 12 mm shaft diameter systems, widely used in CNC machines, 3D printers, robotics, and industrial automation. It belongs to the MGK series, known for its high precision and smooth motion, ensuring low-friction linear travel under varying loads.
Equipped with UU double rubber seals, this bearing offers enhanced protection against dust and contaminants, increasing service life and reducing maintenance requirements. The robust construction using hardened steel and caged steel balls guarantees excellent load-bearing capacity and long-term operation.
This bushing is fully compatible with standard linear bearing blocks (LM and SC types).
Model: LM 12 UU MGK
Inner diameter: 12 mm
Outer diameter: Industry standard
Design: Recirculating ball mechanism
Seals: UU - rubber seals on both ends
Material: Hardened steel shell with steel balls
Application: Linear guide systems
Mounting compatibility: Fits LM/SC blocks
CNC machines and milling tables
3D printers and plotters
Industrial automation equipment
Packaging and labeling systems
Robotics and laboratory devices
Motion platforms and pick-and-place systems
What shaft size is compatible with LM 12 UU MGK?
This linear bearing is designed for 12 mm shafts, standard in most motion control setups.
What does “UU” mean in this model?
“UU” means it has double rubber seals, which protect the bearing against contaminants.
Is it suitable for dusty or humid environments?
Yes, the sealed construction makes it suitable for moderately dusty or moist industrial environments.
Is this bearing compatible with open housing blocks?
Yes, it fits standard open and closed LM or SC series blocks for linear systems.
Do you provide same-day shipping?
Yes - orders ship within 24 hours from our warehouse in Lublin, Poland.
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Data sheet