LM20UU Linear Bearing – 20mm Linear Motion Slider for CNC Machines, 3D Printers, and Automation Systems

LM20UU Linear Bearing – 20mm Linear Motion Slider for CNC Machines, 3D Printers, and Automation Systems

The LM20UU Linear Bearing is a high precision 20mm linear bushing designed for smooth, accurate, and low friction linear motion.

• Ideal for CNC machines, 3D printers, robotics, laser engraving machines, and DIY linear motion systems, this bearing delivers reliable, stable, and long lasting performance in demanding industrial and maker applications.
• Constructed from high quality chrome steel with a polymer cage, the LM20UU ensures durable operation, reduced wear, and precise movement. Its multiple recirculating ball circuits allow for low friction motion, even under heavy loads, making it a trusted choice for precision engineering projects.

Specifications

• Model: LM20UU
• Inner Diameter (ID): 20mm
• Outer Diameter (OD): 32mm
• Length: 42mm
• Material: Chrome steel with polymer cage
• Bearing Type: Linear ball bearing with multiple recirculating ball circuits
• Load Capacity: High load-bearing capability for smooth, precise motion
• Lubrication: Pre-lubricated to reduce friction and wear
• Compatibility: Works with 20mm linear shafts for CNC, 3D printers, robotics, and automation systems

Applications

• CNC Machines: Ensures precision linear movement of tools and workpieces
• 3D Printers: Smooth motion along rails for accurate layer positioning
• Robotics & Automation: Ideal for repeatable and precise industrial motion
• Laser Engraving Machines: Enhances stability for detailed and precise engravings
• DIY Linear Motion Systems: Perfect for custom-built motion setups and prototypes

Advantages

• Smooth & Precise Motion: Multiple ball circuits provide low-friction, accurate linear movement
• Durable & Long-Lasting: Chrome steel and polymer cage ensure wear resistance and longevity
• Easy Installation: Standard dimensions allow quick integration into existing systems
• High Load Capacity: Supports heavy loads while maintaining consistent motion
• Versatile Applications: Compatible with CNC routers, 3D printers, robotics, and industrial automation

Usage Instructions

1. Prepare the Shaft: Ensure the 20mm linear shaft is clean and properly aligned
2. Insert the LM20UU Bearing: Carefully slide the bearing onto the shaft
3. Mount in Housing: Secure the bearing in the housing or linear block
4. Lubricate if Needed: Pre-lubricated; add grease for heavy-duty use
5. Test Movement: Move the shaft back and forth to ensure smooth, friction-free motion

Package Includes

• 1 piece of LM20UU 20mm Linear Motion Bearing