10 Pcs MR63ZZ Miniature Ball Bearings, Double Shielded/Sealed Steel 3x6x2.5mm Metal Shielded Bearing for Printer, Model Making

Premium Quality Material: These Miniature Ball Bearings adopts with premium bearing steel material, which is anti-rust, wear-resistance, and sturdy enough for long-term use, at the same time, it is designed with a polished Glossy Appearance to provide a high efficiency with a low noise during working Double Sealed: These Double Shielded Ball Bearing are designed with Mental sealed/ Shielded to protect the bearing from dust, water and foreign matter or any possible contaminant invasion, and it can keep lubricant in for a long time use to provide a Glossy working process, saving a lot Multifunctional: There comes with totally 10 pieces of Miniature Steel Bearings in the package for different projects, you can keep them for spare or just substitutes for the old ones. And they are widely used for printer, quadcopter, ship model, and etc. very practical and convenient tool in our daily life Suitable size: These Miniature Bearings are designed with an compact size, which is perfect for small hobby 3mm shaft/rod projects, the inner diameter is 3mm inner diameter, the outer diameter is 6mm, and a 2.5mm thickness. compact size for different projects Deep Notch Design: These Metal Sealed Ball Bearings have a deep Notch geometry for high speeds and supporting both radial and axial loads. So it is suitable for being used in applications that involve combined radial and axial loads and a need for high running accuracy at high rotational speeds