Features 1. The thrust ball bearing set has high precision, high speed and low wear. 2. Low frictional resistance, low power consumption and high mechanical efficiency. 3. The stainless steel ball can rotate quietly and smoothly at high speed. 4. Small internal clearance and high machining accuracy.Suitable for engineering, installation and maintenance of equipment. 5. After-sales guarantee: If you have any questions after purchase, please feel free to contact us, we will reply within 24 hours and solve it for you. Features: 1. The thrust ball bearing set has high precision, high speed and low wear. 2. Low frictional resistance, low power consumption and high mechanical efficiency. 3. The stainless steel ball can rotate quietly and smoothly at high speed. 4. Small internal clearance and high machining accuracy.Suitable for engineering, installation and maintenance of equipment. 5. After-sales guarantee: If you have any questions after purchase, please feel free to contact us, we will reply within 24 hours and solve it for you.   Specification: Condition: 100% Brand New Item Type: Thrust Bearing Bearing Material: Bearing Steel Optional Models & Sizes: F5-10M, F5-11M, F5-12M F5-10M: Inner Wheel Inner Diameter: Approx. 5mm / 0.2in Inner Wheel Outer Diameter: Approx. 9.8mm / 0.4in Outer Wheel Outer Diameter: Approx. 10mm / 0.4in Outer Wheel Inner Diameter: Approx. 5.2mm / 0.2in F5-11M: Inner Wheel Inner Diameter: Approx. 5mm / 0.2in Inner Wheel Outer Diameter: Approx. 10.8mm / 0.4in Outer Wheel Outer Diameter: Approx. 11mm / 0.4in Outer Wheel Inner Diameter: Approx. 5.2mm / 0.2in F5-12M: Inner Wheel Inner Diameter: Approx. 5mm / 0.2in Inner Wheel Outer Diameter: Approx. 11.8mm / 0.5in Outer Wheel Outer Diameter: Approx. 12mm / 0.5in Outer Wheel Inner Diameter: Approx. 5.2mm / 0.2in   Package List: 10 x Thrust 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. Package List