PATIKIL LM20UU Linear Ball Bearings 20mm Bore Dia 32mm OD 42mm Length, 4 Pcs Linear Motion Bushing Double Side Rubber Sealed Rod Liner Shaft Parts for CNC Machine Engraving 3D Printer

Key features

• Color: Silver; Model: LM20UU; Bore Dia: 20mm / 0.79 inch; Outer Dia: 32mm / 1.26 inch; Length: 42mm / 1.65 inch; Dynamic Load Capacity: 882N; Static Load Capacity: 1370N; Packing List: 4 x Linear Ball Bearings
• Advantages: The slide bearings are crafted from bearing steel, with high hardness, excellent wear resistance, and strong load-bearing capacity to ensure stable performance and long service life in mechanical motion applications. Linear ball bearings feature double-sided seals to effectively block dirt, water, and foreign particles, ensuring internal lubrication retention and prolonged service life in harsh operating environments.
• Instruction: Linear bearings are integral components of linear motion systems, typically paired with cylindrical shafts or guideways to enable smooth, precise linear movement while reducing friction and supporting radial loads.
• Application: Linear ball bearings deliver smooth linear motion for mechanical slides, 2-axis/3-axis tables, and linear guides, with broad use in 3D printers, CNC machines, electronic devices, food machinery, and packaging equipment.
• Note: Ensure concentricity between the shaft and bearing during installation, avoid overloading or eccentric loading.

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