These are 10 pieces of ABEC7 694ZZ 4x11x4 mm miniature ball bearings designed for small electric motors and compact machinery. The ABEC7 tolerance and ZZ shielded design offer smooth, reliable operation at higher speeds in tight spaces. Built for durability in everyday hobby and DIY projects, these bearings are ready to install in a variety of 4 mm shaft applications. Key benefits precision for smooth performance: ABEC7 tolerance helps minimize runout and vibration in small motors and gearboxes. Shielded protection: ZZ shields seal both sides to help keep dirt and debris out, extending bearing life in dusty or sweaty environments. Compact and versatile size: 4x11x4 mm bore, outer diameter, and width fit many micro motor, gearbox, and fan applications with a 4 mm shaft. Ready quantity for projects: 10 bearings per package, suitable for multiple devices or spares. Reliable for small electric motor and car applications: optimized for miniature motors and drive components used in hobby electronics and RC setups. Key attributes Model/type: 694ZZ miniature ball bearings Precision grade: ABEC7 Size: bore 4 mm, outer diameter 11 mm, width 4 mm Shielding: ZZ (shielded on both sides) Quantity: 10 bearings per pack Application focus: miniature electrical motors, small drive components, and devices with 4 mm shafts Construction note: shielded design for protection against contaminants and extended life Compatibility and usage Suitable for 4 mm shaft systems found in micro electric motors, small gearboxes, and compact fans. Can be used to worn bearings in small RC car components, micro gear motors, and other hobby projects requiring precision at a compact size. Applications Replacement bearing for miniature DC motors used in small RC cars, drones, or other hobby electronics with a 4 mm shaft. Installation in compact gearboxes or drive assemblies where space is limited and a 4x11x4 mm bearing is required. Use in small cooling fans or actuators with a 4 mm shaft to maintain smooth rotation and reduce noise. Notes This set provides ten 4x11x4 mm ABEC7 694ZZ bearings suitable for precision and durability in miniature motor and car applications. No additional maintenance or lubrication details are provided; proper handling during installation is recommended to preserve shield integrity.