Specification BatteriesRequired : 1 Brand : uxcell BulletPoint1 : Model: LM16UUOP (Nominal Shaft Diamter (dr): 16mm, Outer Diameter (D): 28mm, Total Length (L): 37mm) BulletPoint2 : Open Type Linear Motion Ball Bearing Bushing Sealed on Both Side BulletPoint3 : Chromium Steel shell and bearing ball, good abrasion resistance, high precision and good strength BulletPoint4 : Smooth moving, low friction, high rigidity and long working life BulletPoint5 : Suitalbe for kinds of electronic equipment/guide bar, and pillar ExternallyAssignedProductIdentifier : 7060021827997 ExternallyAssignedProductIdentifier1 : 0721498143894 ExternallyAssignedProductIdentifier2 : 721498143894 IncludedComponents : Screw ItemName : uxcell LM16UUOP Linear Ball Bearings Open Type, 16mm Bore Dia, 28mm OD, 37mm Length (Pack of 2) ItemPackageDimensions_Height : 12.4 centimeters ItemPackageDimensions_Length : 3.6 centimeters ItemPackageDimensions_Width : 8.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-ball-bearings Manufacturer : uxcell Material : Steel ModelName : Shanryah6zeM ModelNumber : ST8B 8x15x24 NumberOfItems : 1 PartNumber : a18071300ux0278 ProductDescription : 1.provides LMUUOP series Open Type Linear Ball Bearing with seals on both side to prevent ingress of dirt, water and foreign matter. 2.Linear Motion Bearing (also called Ball Bushing or Shaft Guiding) is a rolling friction supporting element that usually used for linear motion mechanical parts with small friction. 3.Coordinate with Linear Motion Shaft, recirculating balls provide unlimited stroke at low friction movement, permit temperature within 80 degree Celsius. 4.It is great for 3D printer, CNC, and other applications.