10-30pcs 684ZZ Ball Bearing 4x9x4mm Double Shielded 684-2Z Deep Groove Bearings
Size: 684ZZ (Inner Dia. =4mm, Outer Dia. =9mm, Thickness=4mm). 10-30 PCS x Bearings. Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operation. Made from Carbon Steel, durability and resistance to under heavy loads.
20Pcs Deep Groove Ball Bearing 684ZZ Double Shield 4mm ID 9mm OD 4mm Thick
Model: 684ZZ. Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product. With small friction and high-limit speed, Uxcell’s Deep Groove Ball Bearings are cost-effective and require little maintenance.