Specification Brand : Fafeicy BulletPoint1 : Material: This product is made of bearing steel, with excellent wear resistance and bearing capacity, which can meet the needs of precision linear movement. BulletPoint2 : Size: Linear ball bearing inner diameter 10mm, outer diameter 19mm, height 29mm, accurate size, with 3D printer and engraving machine compatibility. BulletPoint3 : Double Seal: The bearing is equipped with double seal design to save lubricant and ensure long-term stable use of the bearing. BulletPoint4 : Scope of Application: This linear motion ball bearing is suitable for a variety of precision mechanical equipment such as 3D printers and engraving machines to improve the accuracy and stability of equipment movement. BulletPoint5 : Packing: Each contains 8 linear ball bearings to provide you with sufficient spare parts for easy replacement and maintenance. IncludedComponents : No ItemName : 8 Pcs LM10UU Linear Ball Bearings, Double Sealed Bearing Steel Inner Diameter 10 mm Outer Diameter 19 mm Height 29 mm Used in D Printer, and Engraving Machine ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : linear-ball-bearings Manufacturer : Fafeicy ModelNumber : Fafeicy6cqkztevia NumberOfItems : 1 PartNumber : Fafeicy6cqkztevia ProductDescription : Specifications: Type: LM10UU Material: Bearing steel Inner Diameter: 10mm / 0.39 inch Outer Diameter: 19mm / 0.75 inch Height: 29mm / 1.14 inch Quantity: 8pcs