Feature: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. Oxidation treatment surface , beautiful and corrosion resistant.4. The design can prevent dust from entering and extend service life.5. Smooth movement, low friction, high rigidity and long life.Specification:Condition: 100% Brand NewItem Type: Closed Linear Bearing BlockModel: SC16UUMaterial: Aluminum AlloyLength: Approx. 50mm / 2inWidth: Approx. 44mm / 1.7inHeight: Approx. 38mm / 1.5inInner Diameter: Approx. 16mm / 0.6inLubricant : Oil LubricationOil Lubrication Method: Oil Drip LubricationPackage List:2 x Closed Linear Bearing Block