Specification Brand : Hilitand BulletPoint1 : [Versatile Usage] Suitable for 6mm shaft/rod applications, these bearings are ideal for diy enthusiasts and professionals working on precision projects. BulletPoint2 : [ Performance] Enjoy smooth and linear motion with these lm6uu bearings, designed to meet the demands of cnc parts and other machinery. BulletPoint3 : [Precise Specifications] With a 6mm inner diameter, 12mm outer diameter, and 19mm height, these bearings are for small hobby projects like 3d printers and engraving machines. BulletPoint4 : [Double Sealed Design] The bearings are double sealed to prevent from entering and to preserve lubricant, ensuring a long service life. BulletPoint5 : [Brand New Quality] These lm6uu bearings are constructed with bearing steel for durability and low noise levels. BulletPoint6 : Net Weight : 354g;Package Content : 1 x Flange Linear Bearing Color : Silver ExternallyAssignedProductIdentifier : 8047288582073 ExternallyAssignedProductIdentifier1 : 0763527743682 ExternallyAssignedProductIdentifier2 : 763527743682 IncludedComponents : No ItemName : 8pcs LM6UU 6mm Linear Motion Ball Bearing Bushing for 3D Printer CNC Parts ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-ball-bearings Manufacturer : Hilitand Material : Carbon Steel ModelNumber : Hilitand9r5bxiw7qp NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Hilitand9r5bxiw7qp ProductDescription :