1,Suitable for silent high precision equipment, construction machinery, transmissions. 2,Made of high-strength aluminum alloy material, strong carrying capacity and long service life. 3,Surface oxidation treatment, beautiful and corrosion resistant. 4,Smooth movement, low friction, high rigidity and long life. 5,Easy to install and convenient to use. 1 x Linear Bearing Slide Block Condition: Item Type: Linear Bearing Slide BlockMaterial: Aluminum AlloyModel: SBR25UU Length: Approx. 65mm / 2.6inWidth: Approx. 60mm / 2.4inHeight: Approx. 46mm / 1.8inInner Diameter: Approx. 25mm / 1inLubricant : Oil LubricationOil Lubrication Method: Oil Drip Lubrication Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia