Miniature bearings are suitable for high-speed and low-noise fields such as various industrial equipment and small motors.Easy to install and practical.Made of high-quality material, it is rigid and has good anti-rust performance and long service lifeSinglerow rolling bearings run fast and have low noise, which can reduce damage to mechanical equipmentThe rolling bearing has low friction coefficient, low starting and running torsion, and relatively stable performance.Item Type: Miniature BearingModel: S604ZUse Characteristic: High speedRolling Elements Type: BallNumber of Rolling Elements: Single rowInner Diameter: Approx. 4mm / 0.2inchOuter Diameter: Approx. 12mm / 0.5inchThickness: Approx. 4mm / 0.2inchcolour:SilverMaterial:stainless steelsize:4 x 12 x 4mmPackage Contents:10 x Miniature BearingOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.