Features: 1. These bearings are made from Bearing Steel for durability and long service life. 2. Bearings have 0.75mm deep V groove that generally ride on a rail or track. 3. These are specialized bearings that are used in many linear motion systems. 4. There comes total 10pcs bearings which you may use for many different projects. 5. The integral bearing is quenched and heat treated, and the channel is finely ground. 6. High hardness, high accurate, can withstand high speed, heavy load. Specification: Condition: Item Type: V Groove Bearing Model: V625ZZ Outer Diameter: Approx. 16mm / 0.6in Inner Diameter: Approx. 5mm / 0.2in Width: Approx. 5mm / 0.2in Slot Width: Approx. 1.5mm / 0.1in Groove Depth: Approx. 0.75mm / 0.03in Angle: 90 Material: Bearing Steel Package List: 10 x V Groove Bearings 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia