20pcs V623ZZ Groove Ball Bearing Pulley for Railway Track Linear Motion System 4x13x6mm

General descriptionThe 20pcs V623ZZ Groove Ball Bearing Pulley is designed for railway track linear motion systems. These specialty bearings are made of high-quality carbon steel, ensuring durability and a long service life. The double shielded design effectively keeps contaminants out while preserving lubricant, making them ideal for various projects.Technical specificationsMaterial: Bearing SteelModel: V623ZZInner Diameter: 4mmOuter Diameter: 13mmHeight: 6mmV Groove Angle: 90 degreesQuantity: 20pcsUsageThese bearings are typically mounted on guides or rails.Suitable for various linear motion systems and projects.