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.
• LM20UU linear bearing 20mm is a high-precision linear motion ball bushing designed for smooth, low-friction travel on 20mm linear shafts.
• Ideal for CNC machines, 3D printers, robotics, laser engraving machines, and automation systems, the LM20UU linear motion bearing delivers stable guidance, accurate positioning, and long service life in both industrial and DIY applications.
• Manufactured from high-quality chrome steel with a polymer cage, the LM20UU 20x32x42mm bearing is built for durability and reduced wear.
• Multiple recirculating ball circuits support consistent motion even under heavier loads, and the bearing comes pre-lubricated to help reduce friction and extend lifespan.

Specifications

• Model: LM20UU
• Inner Diameter (ID): 20 mm
• Outer Diameter (OD): 32 mm
• Length: 42 mm
• Material: Chrome steel with polymer cage
• Type: Linear ball bearing (multiple recirculating ball circuits)
• Lubrication: Pre-lubricated
• Compatibility: 20mm linear shafts

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

Features

• 20mm ID: Fits standard 20mm linear shafts
• Recirculating ball circuits: Smooth, precise linear movement
• Chrome steel + polymer cage: Durable, wear-resistant construction
• High load capability: Stable motion under heavier loads
• Pre-lubricated: Reduced friction and longer service life
• Easy integration: Standard sizing for common housings/linear blocks
• Wide compatibility: CNC, 3D printers, robotics, automation, DIY builds

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 Linear Bearing