Item Type: Linear Motion Bearing Mode: LM8SUU Material: Alloy Steel Application: Widely used in various industrial fields such as machine tools, engineering machinery, robots, reducers, steel, metallurgy, textile, mining, printing, aerospace, etc. Inner Diameter: Approx. 8mm / 0.31in Outer Diameter: Approx. 15mm / 0.59in Height: Approx. 17mm / 0.67in 1EXCELLENT PERFORMANCE: Features durable and long life, low noise, low friction coefficient, and premium trajectory accuracy. 2FINE WORKMANSHIP: Fine crafted with smoothly, delicate appearance and standard size, the bearing set ensures smoothly operation and easy installation. 3ALLOY STEEL MATERIAL: Made of premium alloy steel material, the bearings are strong and sturdy, corrosion and rust resistant. 410PCS: There are 10 pieces linear bearings in the package that can be applied in different objects, use them at will! 5WIDE APPLICATION: Widely used in various industrial fields such as machine tools, engineering machinery, robots, reducers, steel, metallurgy, textile, mining, printing, aerospace, etc.10 x Linear Motion Bearing