2 Pack 20mm By 200mm Solid Case Hardened Chrome Plated Linear Rail Rod Shafts For CNC DIY Projects 3D Printers Model Cars And Aircraft Smooth Precise Linear Motion

Two-Pack 20x200mm Chrome-Plated Linear Rail Shafts
✔️ Solid 45# steel with hard chrome finish for rust resistance

This linear motion rod set provides precise, smooth guidance for linear motion in CNC machines, 3D printers, engraving, woodworking, and automation equipment. It’s designed to handle heavy loads while maintaining low friction for reliable performance.

✅ Size: 20 x 200 mm (OD x L)
✅ Material: 45# steel, chrome plated
✅ Hardness: ~HRC58-60
✅ Pack: 2 pcs
✅ Applications: suitable for 3D printers, CNC machines, engraving devices, and automated systems

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

In short, it provides shaft support and alignment in a compact housing for reliable motion.

- shaft support and alignment for precision machines - sealed ball bearing compatibility and ceramic options - works with linear slide units for smooth motion✝️