10Pcs MR63ZZ Ball Bearing, 3x6x2.5MM Micro Steel Double Shielded Ball Bearings Replacement Parts for 3D Printer, Micro Motor

• Diameter -- The inner diameter of the bearing is 3mm, the outer diameter is 6mm, and the thickness is 2.5mm. It is very compact. These are very suitable for small hobby 3mm shaft/rod projects, such as 3D printers, quadcopters or ship models
• Bearing Steel -- These miniature bearings are made of premium bearing steel, with low noise and long service life. They are double shielded to avoid the entry of contaminants and save lubricant
• Pre-lubricated -- The bearing has been pre-lubricated, it helps to reduce friction and prevent rust, wear and corrosion, and it does not need to be maintained
• Smooth Movement -- Movement is smooth. The deep groove bearing has no frictional sound and can rotate freely with only a small amount of force. The bearing fits like a glove, and the rotation and swing are small
• 10Pcs -- There are totally 10pcs bearings available. They can meet your different needs according to concrete situations

Specifications: Material: Bearing steel Inner Diameter: 3mm / 0.12" Outer Diameter: 6mm / 0.23" Thickness: 2.5mm / 0.09" Quantity: 10pcs Package Includes: 10 x Bearings