Product: uxcell R188ZZ Deep Groove Ball Bearing 1/4"x1/2"x3/16" Double Shielded Z2 Lever Bearings 5-Pack
Brand: uxcell
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.
Chromium Steel (GCr15) made with heat treating, provides high and uniform hardness, good wear resistance
Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on.

 
 
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: R188ZZ
Shield Type: Double Shielded
Inner Race/Outer Race Material: Chrome Steel (GCr15)
Cage Material: Stamping Steel
Inner Diameter (d): 1/4" / 6.35mm
Outer Diameter (D): 1/2" / 12.7mm
Thickness (B): 3/16" / 4.76mm
Dynamic Load Rating (Cr): 0.207kN
Static Load Rating (Cor): 0.08kN
Accuracy Class: P0 (ABEC-1)
Noise Level: Z2
Number of Pack: 5 Pcs

R188ZZ (I.D.=1/4", O.D.=1/2", Thickness=3/16")
r188z bearings are shielded on BOTH SIDES to keep lubricant in
Chromium Steel long-life bearings, smooth and low noise
ABEC Tolerance 1 (P0), Z2 Noise Level for most general use
Static load rating of 80 newtons and dynamic load rating of 207 newtons

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