Features:_x000D_ _x000D_ Made of high quality ceramic ZrO2, high temperature resistance, high speed and wear small. _x000D_ Small frictional resistance, low power consumption, high mechanical efficiency. _x000D_ Resistant to corrosion and able to operate in harsh conditions. _x000D_ With the characteristic of high stability, high reliability, not easy to deform. _x000D_ Standardization size, used for machinery manufacturing, equipment installation and maintenance. _x000D_ _x000D_ Specification:_x000D_ Material: Ceramic _x000D_ Model: #626_x000D_ Weight: Approx. 9g/0.3oz_x000D_ Color: White_x000D_ Retainer and its material :TN engineering plastics_x000D_ Number of scroll columns: single column_x000D_ Raceway type: deep groove raceway_x000D_ Inner diameter: 0.6cm/0.2inch_x000D_ Outside diameter: 1.9cm/0.7inch_x000D_ Thickness: 0.6m/0.2in_x000D_ _x000D_ Package List:_x000D_ 1 * ZrO2 Ball Bearing_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.