Features This ball thrust bearing set features high precision, high speed, and wear small. Small frictional resistance, low power consumption, high mechanical efficiency. High grade steel ball, quiet and smooth rotation at a high speed. Small internal clearance and high machining precision. Suitable for machinery manufacturing, equipment installation and maintenance. Specification:Condition: 100% Brand NewItem Type: Thrust BearingBearing Material: Bearing SteelOptional Models & Sizes: F6-12M, F6-14M  F6-12M:Inner Wheel Inner Diameter: Approx. 6mm / 0.2inInner Wheel Outer Diameter: Approx. 11.8mm / 0.5inOuter Wheel Outer Diameter: Approx. 12mm / 0.5inOuter Wheel Inner Diameter: Approx. 6.2mm / 0.2inF6-14M:Inner Wheel Inner Diameter: Approx. 6mm / 0.2inInner Wheel Outer Diameter: Approx. 13.8mm / 0.5inOuter Wheel Outer Diameter: Approx. 14mm / 0.6inOuter Wheel Inner Diameter: Approx. 6.25mm / 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.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List