Description
LM 12 LUU Linear Ball Bearing
The LM 12 LUU is a single-row linear ball bearing with an aluminum housing and integrated metal shields on both sides. Designed for 12 mm shafts, it provides smooth, precise motion and better support due to the longer housing length compared to standard LM bearings. Ideal for CNC machines, 3D printers, and linear motion systems requiring increased stability.
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Inner Diameter (Shaft Size): 12 mm
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Outer Diameter: 21 mm
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Length: 42 mm
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Sealing: Metal shields (UU)
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Features: Longer housing for stability, low friction, smooth linear travel, dust protection




