LBK12UU 12mm Square Flanged Linear Motion Ball Bushing Long Ball Bushing With 12mm Inner Diameter 21mm Outer Diameter 30mm Length For Precision CNC Linear Guides And Automation Systems

This compact 12 mm square flanged ball bearing is designed for smooth linear motion in small machines. It's commonly used in DIY CNC builds, 3D printers, and compact automation where precise axis alignment is needed.

✅ Inner diameter: 12 mm (ID 12mm)
✅ Outer diameter: 21 mm (OD 21mm)
✅ Length: 30 mm (L 30mm)
✅ Dynamic load rating: 510 N
✅ Static load rating: 784 N
✅ Pack: 1 piece

💡 What is a typical use case for a 12mm square flanged linear bearing in compact CNC or 3D printer builds? This handy bearing supports smooth straight motion in tight spaces.
- supports 12 mm shafts for precise alignment
- reduces play and improves axis rigidity in small frames
- ideal for compact linear guides in hobby CNC and 3D printer projects