4 Pcs LMF20UU Round Flange Linear Ball Bearings 20Mm ID 32Mm OD 42Mm Length Double Sealed For Smooth Pro Grade Motion On 20Mm Shafts Ideal For 3D Printers CNC Machines And Precision Equipment

4 Pcs LMF20UU Round Flange Linear Ball Bearings, 20mm ID
✔️ ID 20mm /0.787in, OD 32mm /1.26in, L 42mm /1.654in, double sealed

These round flange linear bearings are compact precision components designed for smooth motion on 20mm shafts. They’re ideal for 3D printers, CNC machines, and precision equipment where consistent performance matters.

✅ ID 20mm /0.787in, OD 32mm /1.26in, L 42mm /1.654in; flange 54mm /2.126in; installation aperture 5.5mm /0.217in
✅ Double-sealed on both sides to block dust and moisture
✅ Dynamic load Cr 588N; static load Cor 1100N
✅ Material: bearing steel with high hardness and wear resistance
✅ Suitable for 20mm shafts and linear motion modules in printers and CNC systems

💡 What is the main function of a sealed linear bearing on 20mm shafts? This handy component keeps shafts aligned and reduces friction for smooth, precise motion.

- Provides radial support to reduce shaft runout in straight-line motion - Maintains lubricant and prevents contamination for longer service life - Commonly used in 3D printers, CNC slides, and automated equipment