20mm Chrome Plated Linear Motion Shaft 55 Inch Long with Aluminum Slide Block and Two Preinstalled Bearings for CNC Routers and Precision Machinery High Precision Smooth Linear Guide System

High precision 20mm CNC Linear Rail with 55in Shaft
✔️ 20mm shaft, 55 in (1397 mm) long, 2 preinstalled LME20UU bearings

This high precision linear motion system is built for CNC routers, laser cutters, and automated setups. The chrome plated 20 mm diameter shaft runs inside a sturdy aluminum slide unit with two preinstalled LME20UU bearings for smooth, accurate travel.

✅ Shaft diameter 20 mm (0.79 in) chrome plated for durability
✅ Shaft length 55 in (1397 mm) for extended travel
✅ Aluminum slide unit 3.75 in x 2 in x 1.5 in (95.25 mm x 50.8 mm x 38.1 mm) with two installed LME20UU bearings
✅ Includes 2 preinstalled bearings for smooth motion
✅ Pack size: 1 unit

💡 What is a pillow block bearing used for in CNC linear motion systems? This handy component supports shafts and helps keep alignment under load.

- It provides a stable mounting point for 20 mm shafts in automation projects
- It reduces shaft wobble and vibration for smoother travel
- It is compatible with sealed ball bearings and ceramic variants for longevity