Linear Ball Bearings, LM4UU 4mm Linear Motion Bushing Double Side Rubber Sealed Rod Liner Shaft Parts for CNC Machine 3D Printer 12 Pack

Feature：Made of Carbon Steel material, Double Side Rubber Seal Linear Motion Ball Bearing Bushing.Great for linear motion on 3D printer, CNC, and other applications.These ball bearing are fitted with two rubber dust sealed to prevent ingress of dirt, water and foreign matter.Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement, permitting temperature within 80 degrees Celsius.Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace. SpecificationsProduct Name: Linear BearingModel: LM4UUMaterial: Carbon Steel, RubberColor: Silver ToneInside Diameter: 4mmOutside Diameter: 8mmLength: 12mm Package Content: 12pcs x Linear Bearing

• SIZE：Model: LM4UU, Bore Diamter (dr): 4mm, Outer Diameter (D): 8mm, Total Length (L): 12mm.
• DOUBLE SEALED DESIGN: The Slide Bearing are double sealed, so as to avoid contaminants entering and save lubricant.
• USAGE：Linear bearings are part of linear motion systems, often used in conjunction with cylindrical shafts or guideways
• FEATURES: Nickel plating enhances corrosion resistance and durability. These linear bearings with Nickel-Plated surface treatment can operate under corrosive or high-temperature conditions
• APPLICATIONS: Mechanical slides, 2-axis and 3-axis tables, linear tables, 3D printers, CNC machines, electronic equipment, food machinery, packaging machinery, etc.