uxcell Ball Bearing Guide Pulley Roller Round Wheel 8x30x8.5mm Double Metal Shielded (GCr15) Chrome Steel Bearings 2pcs

uxcell Ball Bearing Guide Pulley Roller Round Wheel 8x30x8.5mm Double Metal Shielded (GCr15) Chrome Steel Bearings 2pcs

(I.D.=8mm, O.D.=30mm, Thickness=8.5mm) 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 Suitable for all kinds of industrial equipment, micro motor, small rotary motor, office equipment and so on Note：
Please refer to the picture and select the 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.


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:
Shielded Type: Double Shielded
Inner Race/Outer Race Material: Chrome Steel (GCr15) / Nylon
Cage Material: Stamping Steel
Inner Diameter (d): 8mm
Outer Diameter (D): 30mm
Thickness (B): 8.5mm
Accuracy Class: P0 (ABEC1)
Noise Level: Z2
Number of Pack: 2Pcs