Specification BatteriesRequired : 1 Brand : Chul hsin BulletPoint : Rollers, Bearings, belts and much more - GW210PP4, DC210TTR4, 7AS10-1-1/8D1 1-1/8" Disc For Harrow Bearing For SpinCo - CNZV156A2005 BulletPoint1 : Bearing steel long life bearing, smooth, low noise. BulletPoint2 : Linear bearing BulletPoint3 : KH2030 (inner diameter = 20 mm, Outer diameter = 28 mm, length = 30 mm) BulletPoint4 : High Precision and Stability: The linear bearings have precise dimensions and manufacturing processes to provide highly consistent motion control. They maintain stable linear motion while reducing friction and vibration, allowing for higher precision requirements. BulletPoint5 : Wide Application: Widely used in electronic equipment, tensile testing machines, digital three-dimensional coordinate measuring equipment and other precision equipment, as well as multi-axis machine tools, punch presses, tool grinding machines, automatic gas cutters, printers and other industrial machinery sliding. Color : Onecolor ExternallyAssignedProductIdentifier : 9009344335374 ExternallyAssignedProductIdentifier1 : 0748018421294 ExternallyAssignedProductIdentifier2 : 748018421294 IncludedComponents : no ItemName : Chul hsin KH2030 Linear Motion Ball Bearing, 20 mm x 28 mm x 30 mm, 1 Piece (Size : KH2030) ItemPackageDimensions_Height : 29.9 centimeters ItemPackageDimensions_Length : 2.5 centimeters ItemPackageDimensions_Width : 25.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-ball-bearings Manufacturer : HURUIFANG-US Material : Steel ModelNumber : LMB8UU 12.7x22.225x31.7 NumberOfItems : 1 PackageLevel : unit PartNumber : HURUIFANG-US ProductDescription : Quality Material: The linear bearing is made of 45# steel, which has good hardness, wear resistance and corrosion resistance, and can provide stable and reliable operation under various working conditions. Smooth Motion: Linear bearings achieve low friction coefficient and high rigidity through optimized design and precision processing. This allows the bearings to provide smooth, shock-free motion, reducing energy losses and improving overall operating efficiency. High Precision and Stability: The linear bearings have precise dimensions and manufacturing processes to provide highly consistent motion control. They maintain stable linear motion while reducing friction and vibration, allowing for higher precision requirements. Wide Application: Widely used in electronic equipment, tensile testing machines, digital three-dimensional coordinate measuring equipment and other precision equipment, as well as multi-axis machine tools, punch presses, tool grinding machines, automatic gas cutters, printers and other industrial machinery sliding.