Specification Brand : Eujgoov BulletPoint : Bearing BulletPoint1 : GLOSSY FINISH:The ball bearing has a glossy appearance,no burrs and no gaps,and will not hurt hands or scratch other accessories when using BulletPoint2 : BEARING STEEL:Ball Bearing is made of excellent bearing steel,with special heat treatment process,has high hardness,wear ,and long service life BulletPoint3 : HIGH PERFORMANCE:These linear motion ball bearing features low noise,high rotational speed,high accuracy,low friction and good rotational performance BulletPoint4 : STANDARD SIZE:LM30UU linear cylindrical motion ball bearing,with 30mm inner diameter,45mm outer diameter and 64mm length,stable and BulletPoint5 : WIDE APPLICATION:These LM30UU linear ball bearings provide accurate low friction linear motion and are widely used in 3D printers and CNC machines Color : One Color ExternallyAssignedProductIdentifier : 6189479955487 IncludedComponents : No ItemName : 2Pcs LM30UU Linear Ball Bearing Linear Bearing Linear Ball Bearing Bearing Steel Cylinder Ball Bearing Double Sealed Motion Bearing for CNC and 3D Printer ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-ball-bearings Manufacturer : Eujgoov ModelNumber : Eujgoov2e8gw10frc NumberOfItems : 1 PartNumber : Eujgoov2e8gw10frc ProductDescription : 1. STANDARD SIZE: LM30UU linear cylindrical motion ball bearing, with 30mm inner diameter, 45mm outer diameter and 64mm length, stable and . 2. BEARING STEEL: Using excellent bearing steel, with special heat treatment process, has high hardness, wear and , and long service life. 3. HIGH PERFORMANCE: These linear motion ball bearing features low noise, high rotational speed, high accuracy, low friction and good rotational performance. 4. WIDE APPLICATION: These LM30UU linear ball bearings provide accurate low friction linear motion and are widely used in 3D printers and CNC machines. 5. GLOSSY FINISH: The ball bearing has a glossy appearance, no burrs and no gaps, and will not hurt hands or scratch other accessories when using.