MGN12 350Mm Linear Guide Rail Kit With 2 MGN12H Carriage Blocks And 2 Mini Plastic Guides For Stable Smooth Motion In DIY Makers 3D Printers And CNC Machines Black

Compact 350mm linear guide rail kit for precise motion
✔️ Includes 2x350mm rails, 2x MGN12H carriages, 2x mini plastic guides

This linear guide rail kit provides smooth, low-friction motion for 3D printers and CNC machines. It’s designed for DIY builders needing reliable, precise linear movement in axes and tool paths.

✅ Linear guide rail: bearing steel, 350x12x8 mm
✅ Carriage block: stainless steel, 45.5x27x10 mm
✅ Mini linear guide: plastic, 55x12x8.5 mm
✅ End limit blocks at both ends for collision protection
✅ Includes 2 rails, 2 carriages, 2 mini guides

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

Pillow block bearings support and align rotating shafts, giving steady, controlled motion in precision axes. Handy for alignment-sensitive projects.

• High load capacity helps maintain axis stability
• Reduces wobble and vibration for repeatable results
• Commonly used with 12 mm rails like MGN12 for DIY CNC and 3D printers
• Easy mounting on frames for fast upgrades