12mm Bearing/Bushing LMF12UU Linear Motion

LMF12UU 12mm Sealed Linear Ball Bearing Slide Unit Support
✔️ 12mm ID 21mm OD 30mm Length Single Pack Rubber Seals Bearing

This sealed linear ball bearing guides objects along rails smoothly. It fits directly onto round rods for stable movement in 3D printers and automation gear.

✅ Runs true on 12mm round metal shafts perfectly matched ✅ Enclosed design with rubber shields keeps dust out and grease in ✅ Handles radial loads up to 510 Newtons under dynamic stress ✅ Compact housing profile allows deep installation in tight spots

💡 Why do sealed bearings provide longer service life for robots
-Sealed units minimize maintenance needs by blocking contaminants easily
-Long life expectancy reduces downtime when building complex machines
-Standard sizing ensures compatibility with most common rail setups
-Reduce friction helps your motor push loads faster without extra power

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LMF12UU Linear Ball Bearing Works with 12mm Shafts

LMF12UU Linear Ball Bearing works with a 12mm Shafts, Size is 12mm x 21mm x 30mm, the inner Diameter is 12mm, the outer Diameter is 21mm and the Length is 30mm, Bearing has Built-in Rubber Seals. LMF12UU Bearing Linear Ball Bearing Size: 12mm x 21mm x 30mm Inner Diameter: 12mm Outer Diameter: 21mm Length: 30mm Quantity: 1 Bearing Dynamic load rating Cr: 510 N Static load rating Cor: 784 N Dimensions(mm) dr D L t Dp X Y Z mm tolerance mm tolerance mm tolerance 12 0-9 21 0-16 42 30 6 32 4.5 7.5 4.1