LM3UU Cylinder Linear Motion Ball Bearing 3mm ID x 7mm OD x 10mm Length Four Row Steel Ball Bearings in Carbon Steel Sae52100 2 Pack Must Have for CNC Machining and 3D Printer Linear Rail Guides

LM3UU 3x7x10 mm Linear Motion Bearing - 4-Row SAE52100
✔️ 3mm ID x 7mm OD x 10mm L, 2 pcs pack, SAE52100 steel

These LM3UU cylinder linear motion bearings provide smooth, low-friction guidance for CNC machines, 3D printers, and other linear-motion systems. They mount on cylindrical shafts or guide rails to convert rotational motion into precise linear travel.

✅ Inner diameter: 3 mm (0.12 in)
✅ Outer diameter: 7 mm (0.28 in)
✅ Length: 10 mm (0.39 in)
✅ 4-row steel ball design, SAE52100 carbon steel, pre-lubricated
✅ Sealed on both sides to keep contaminants out
✅ Dynamic load rating: 88.2 N; Static load rating: 108 N
✅ Pack: 2 bearings

💡 What is a LM3UU linear motion bearing used for on CNC machines and 3D printers? This handy bearing helps guide shafts and rails with smooth, precise motion. - Applications include guiding shafts or rails in CNC machines, 3D printers, and other linear-guide setups. - It supports 3 mm shafts and 7 mm guide rails with low friction and good rigidity. - The sealed, pre-lubricated design helps lifecycle and reduces maintenance.

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