Product Name : Deep Groove Ball BearingType : 624ZZSingle row deep groove ball bearings.Have 2 metal shields to protect the bearing from dust or any possible contamination.These bearings are pre-lubricated with grease.Color : SilverMaterial : Carbon SteelSize: inner diameter: 4mm outer diameter: 13mm thickness: 5mmPackage Contents: 40 Pcs Deep Groove Ball BearingsOnly 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.
