4 Pack of 694Z Deep Groove Steel Shielded Ball Bearings 4mm x 11mm x 4mm

The inner diameter of the bearing is 4mm, while the outer diameter measures 11mm, and the thickness is 4mm. It has protective shields on both sides to prevent dust from entering. This bearing is designed for high-speed operations. It is constructed from carbon steel and possesses excellent resistance against rust and corrosion.