Features Deep groove raceway with single column ball bearing ensured the efficient operation of steel balls. Fine workmanship, smooth surface, excellent mechanical properties. Made of premium steel material, corrosion resistance and rust resistance. Exquisite mechanical design makes little noise when rotating. High accuracy, stable performance, long service life and high reliability. Package List: 10 * Bearing Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 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. Specification: Condition: 100% Brand New Item Type: Bearing Model: 693-ZZ/694-ZZ/695-ZZ(optional) Cage & Materials: Steel Plate Use Characteristics: High Speed Uses: General Number of Rolling Body Columns: Single Column Raceway Type: Deep Groove Raceway Bearing Material: Bearing Steel Rolling Body Type: Ball Angle: 15 Degrees Sealing: Double-sided seal Rolling Body: Steel Ball Size:  Model  Inner diameter  Outer diameter  Thickness  693-ZZ 3mm / 0.12in 8mm / 0.31in 4mm / 0.16in 694-ZZ 4mm / 0.16in 11mm / 0.43in 4mm / 0.16in 695-ZZ 5mm / 0.2in 13mm / 0.51in 4mm / 0.16in Package List