Sinoblu 10pcs LM4UU 4mm Bore Linear Ball Bearing 8mm Outer Diameter 12mm Length for CNC Machine 3D Printer Size:4mm Bore And because of its hardness

And because of its hardness

Flanged button is low domed style head with a wide bearing surface that is perfect for use on applications in tight spaces

81 centimeters

reliable opening and closing

Sinoblu 10pcs LM4UU 4mm Bore Linear Ball Bearing 8mm Outer Diameter 12mm Length for CNC Machine 3D Printer Size:4mm Bore And because of its hardnessSinoblu 10pcs LM4UU 4mm Bore Linear Ball Bearing 8mm Outer Diameter 12mm Length for CNC Machine 3D Printer Specifications: Type: LM4UU Material: Bearing steel Net weight: 1. 90g per piece Outside Diameter: 8mm Inside Diameter: 4mm Length: 12mm Package include: 10 pcs x linear bearing Product Features Model: LM4UU, Bore Diamter (dr): 4mm, Outer Diameter (D): 8mm, Total Length (L): 12mm. Metric Double Seal Linear Bearing Made of high quality bearing