uxcell 686ZZ Deep Groove Ball Bearings Z2 6mm X 13mm X 5mm 6mmx13mmx5mm
686ZZ (I.D.=6mm, O.D.=13mm, Thickness=5mm). ABEC Tolerance 1 (P0), Z2 Noise Level for most general use. Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. Protect from dirt and debris.Sealed (Designation Suffix RS/2RS) – Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant).