Akozon 10pcs MR63ZZ Miniature Ball Bearings Double Shielded/Sealed Steel 3x6x2.5mm for 3D Printer, Model Making

[HIGH QUALITY MATERIAL] These miniature ball bearings are crafted from premium bearing steel ensuring exceptional durability smooth operation and extended service life even under continuous use [DOUBLE SHIELDED PROTECTION] Featuring dual shields these bearings effectively block dust debris and other contaminants while retaining lubricant for maintenance free performance [PRECISE DIMENSIONS] With a 3mm inner diameter 6mm outer diameter and 2.5mm thickness these compact bearings fit perfectly in tight spaces for precision applications [VERSATILE APPLICATIONS] Ideal for various small scale projects including 3D printers quadcopters ship models and other hobby applications requiring reliable miniature bearings [VERSATILE APPLICATIONS] Ideal for various small scale projects including 3D printers quadcopters ship models and other hobby applications requiring reliable miniature bearings