LM8UU Linear Bearing 8mm High Quality Linear Motion Bearing for 3D Printers and CNC Machines
The LM8UU Linear Motion Bearing is a high precision 8mm ball bushing designed to deliver smooth, low-friction, and reliable linear motion.
- LM8UU linear bearing 8mm, a reliable low friction linear bearing engineered for smooth, accurate linear movement with low noise.
- Designed to slide on standard 8mm smooth rods, this linear motion bearing uses four-row ball circuits to support stable travel, reduced resistance, and consistent performance—even in high-speed applications.
- The LM8UU bearing features a rigid chromium steel outer casing for strength and durability, with an engineered retainer design for precise ball guidance.
- Its standardized sizing makes it easy to replace worn bearings and restore smooth motion in 3D printers, CNC axes, and automation mechanisms.
Specification
- Model: LM8UU
- Shaft Diameter (ID): 8 mm
- Outer Diameter (OD): 15 mm
- Size: 24 × 15 mm (L × OD)
- Outer casing material: Chromium steel
- Ball circuits: 4 rows
- Color: Silver
Features
- Smooth, low-friction motion: efficient travel on 8mm shafts
- 4-row ball circuits: stable linear movement at higher speeds
- Durable construction: chromium steel casing for long service life
- High load capability: supports demanding motion assemblies
- Low noise operation: suitable for printers and indoor workshops
- Easy replacement: standardized LM-series sizing
Applications
- 3D printers: smooth X/Y/Z-axis motion on 8mm smooth rods
- CNC machines: linear travel for cutting, milling, engraving
- Robotics & automation: linear slides and motion modules
- DIY projects & prototyping: custom linear motion mechanisms
- Industrial machinery: durable linear motion support
Package Includes
-
1 piece of LM8UU 8mm Linear Motion Bearing (as per order)









Quality Product.