4 Pack LM6LUU Linear Ball Bearings 6mm ID By 12mm OD By 35mm Extra Long Length Double Sealed For Smooth Linear Motion In 3D Printers And CNC Slides Built For Smooth Reliable Motion

4 Pack LM6LUU 6mm ID Linear Ball Bearing Set
✔️ 6mm ID (0.236 in) x 12mm OD (0.472 in), 35mm long (1.378 in) double seal, four-row steel balls

LM6LUU linear ball bearings are compact, high-precision guides designed to fit standard 6mm shafts. They’re commonly used in 3D printers, CNC slides, and automation modules to ensure smooth linear motion.

✅ 6mm ID (0.236 in) x 12mm OD (0.472 in), 35mm long (1.378 in); Cr 324N; Cor 529N
✅ Four-row steel balls minimize friction for smooth motion
✅ Double seal design on both ends blocks dust and moisture
✅ High-quality bearing steel with hardening for wear resistance
✅ Fits 6mm shafts or guide rails with reliable performance
✅ Pack size: 4 bearings in the set

💡 What is a 6mm ID linear ball bearing used for in hobby CNC and 3D printers?

They are handy for guiding moving parts with smooth, accurate motion in compact builds.

- Used to support moving carriages on 6mm shafts in printers and small CNCs - Ideal for compact linear motion modules that require steady travel - Helps extend shaft life by distributing loads and reducing wear