NOTE:Please refer to the picture and select right type of bearings before your order (Sealed or Shield on BOTH or SINGLE side of the bearing). Suffix on the bearing just for differentiating between Sealed and Shield type of bearing. It would not affect the use of our product. Description: Single-row, pre-lubricated, high accuracy. Deep Groove Ball Bearings are one of the most widely used rolling bearings. The limit speed of hybrid ceramic ball bearing can reach more than 1.3 times of chrome steel bearing of the same model. Hybrid bearing features stronger rust and corrosion resistance ability to withstand destruction caused by humidity and some other media. Suitable for work in high temperature environment and would not harm by magnetism or electricity. Suitable for all kinds of industrial equipment, micro motor and fishing reel. Selection Guide:Shields (Designation Suffix Z/ZZ) - High speed. Protect from dirt and debris.Sealed (Designation Suffix RS/2RS) - Made of sheet steel reinforced nitrile butadiene rubber (oil- and liquid-resistant). Lower limit speed than Shield Bearings. Specification:Model:S684C-2OSSeal Type: Double SealedInner Race/Outer Race Material: 440C Stainless SteelBall Material: CeramicInner Diameter (d): 4mmOuter Diameter (D): 9mmThickness (B): 4mmDynamic Load Rating (Cr): 0.641kNStatic Load Rating (Cor): 0.227kNAccuracy Class: P4 (ABEC-7)Noise Level: Z1Number of Pack: 1 Pcs
