LM30UU 30mm Linear Ball Bearings Kit For CNC Machines And 3D Printers, Double Sealed Linear Motion Bushings, Rod End Shaft Liners, Precision Guide Bearings, Beefy Yet Smooth Travel, 4 Pack

LM30UU 30mm Linear Ball Bearing Kit for CNC & 3D Printers
✔️ 4x LM30UU, 30mm bore, 45mm OD, 64mm length, double sealed

This LM30UU kit includes four 30mm bore linear ball bearings designed for precise, smooth motion in CNC machines and 3D printers. Ideal for DIY automation, linear slides, and robotic projects that rely on reliable, low-friction travel on steel shafts.

✅ Model: LM30UU
✅ Bore: 30 mm
✅ Outer diameter: 45 mm
✅ Length: 64 mm
✅ Material: Carbon steel with nickel plating
✅ Seals: Double rubber seals for dust and moisture protection
✅ Pack: 4 bearings

💡 What is a pillow block bearing used for in linear motion systems?

This bearing supports shafts and keeps motion aligned in CNC beds and 3D printer axes. - supports precise linear travel on CNC tables and printer axes
- sealed to resist dust, moisture, and lubricant loss
- compatible with 30 mm shafts for easy retrofits