Features:_x000D_ 1. These bearings are made of high quality steel for low noise and long service life._x000D_ 2. They are double-sided sealed to avoid contaminants entering and save lubricant._x000D_ 3. This section bearing features smooth operation, good using effect._x000D_ 4. Low frictional resistance and high speed. _x000D_ 5. With Stable characteristics, high reliability. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% New_x000D_ Item Type: Ball Bearings_x000D_ Model: F606-ZZ/F607-ZZ (optional)_x000D_ Model Inner diameter Outer diameter Thickness _x000D_ F606-ZZ 6mm / 0.24in 17mm / 0.67in 6mm / 0.24in _x000D_ F607-ZZ 7mm / 0.28in 19mm / 0.75in 6mm / 0.24in _x000D_ Cage and Materials: Steel Plate_x000D_ Use Characteristics: High Speed_x000D_ Uses: General_x000D_ Number of Rolling Body Columns: Single Column_x000D_ Raceway Type: Deep Groove Raceway_x000D_ Bearing Material: Bearing Steel_x000D_ Rolling Body Type: Ball_x000D_ Angle: 15 degrees_x000D_ Sealing Cap: Double-sided seal_x000D_ Rolling Body: Steel Ball_x000D_ _x000D_ Package List:_x000D_ 10 * Ball Bearings_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.