Specification Brand : Othmro BulletPoint1 : Model: LMF6UU BulletPoint2 : Inner Diameter 6mm , Outer Diameter 12mm , Total Length 19mm BulletPoint3 : Light-weight housing and Chromium Steel bearing ball, good abrasion resistance, high precision and good strength BulletPoint4 : Smooth moving, low friction, high rigidity and long working life BulletPoint5 : Suitable for kinds of electronic equipment/guide bar, drive shaft, and pillar ExternallyAssignedProductIdentifier1 : 0635393623590 ExternallyAssignedProductIdentifier2 : 635393623590 ItemName : Othmro LMF6UU Linear Ball Bearings Inner Diameter 6mm 2 Pcs ItemPackageDimensions_Height : 7.366 centimeters ItemPackageDimensions_Length : 1.27 centimeters ItemPackageDimensions_Width : 6.858 centimeters ItemTypeKeyword : linear-ball-bearings Manufacturer : Othmro Material : Steel ModelNumber : MS-2-SCS16UU NumberOfItems : 1 PartNumber : OTH191111Z-0190 ProductDescription : Reliable friction characteristics that do not increase over the life of the bearing. Great for you to replace the damaged Ball Bearings in your devices to improve them efficiency and save energy.