uxcell U624ZZ Deep Groove Guide Pulley Rail Ball Bearings 4mmx13mmx7mm Double Metal Shielded Carbon Steel Bearings 20pcs

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, normal accuracy.Deep Groove Ball Bearings are one of the most widely used rolling bearings. They are used to accommodate radial and axial loads in both directions.With small friction and high-limit speed, Ball Bearings are cost-effective and require little maintenance.Carbon Steel made with heat treating, provides high and uniform hardness, good wear resistanceSuitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on. 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: U624ZZShielded Type: Double ShieldedInner Race/Outer Race Material:Carbon SteelCage Material: Stamping SteelInner Diameter (d): 4mmOuter Diameter (D): 13mmThickness (B): 7mmGroove width: 4.5mm Groove depth: 1.5mmDynamic Load Rating (Cr): 1106 NStatic Load Rating (Cor): 390 NAccuracy Class: P0 (ABEC1)Noise Level: Z2Number of Pack: 20Pcs