Item Type: Ball Bearing Model: S606RS Material: Bearing Steel Surface: Black Plated Product Size: Inner Diameter: Approx. 6mm / 0.24in Thickness: Approx. 6mm / 0.24in Diameter: Approx. 17mm / 0.67in Application: Automobile, motor, etc. Package List 20 x Ball Bearings 1STANDARD SIZE: Includes 20pcs deep groove ball bearings, with standard inner and outer diameters and thicknesses for easy use and replacement. 2GOOD LUBRICATION: Double sealed design on both sides of the ball bearing to maintain good lubrication, suitable for various complex environments. 3BEARING STEEL: Made of excellent bearing steel material, has high hardness and wear resistance, can withstand heavy loads and long service life. 4GOOD PERFORMANCE: Pre lubricated design, these ball bearings operate with low noise, easy to maintain, suitable for use in automobiles, motors, etc. 5APPLICABLE FIELDS: Widely used in automobile manufacturing, precise instruments, factory equipment, aerospace and household appliances, etc.