Aixin Precision Bearing(Shanghai)co.,ltd
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638 638ZZ/2RS miniature deep groove ball bearings

638 638ZZ/2RS Miniature Deep Groove Ball Bearings

Min. Order:
1 Piece
Payment term:
TT,LC,DP
Delivery time:
7 days
Technical Parameters:
Product Designations:
638
Structure:
single row
Inside Diameter:
8 mm
Outside Diameter:
28 mm
Thickness:
9 mm
Brand:
SAY
Precision Rating:
ABEC-1,ABEC-3
Bearing Material:
chrome steel,carbon steel
Seals Type:
open,zz,2rs
638 638ZZ/2RS Miniature Deep Groove Ball Bearings

638 Deep Groove Ball Bearing

 

Model: 638

Old Model: 38

Inside diameter (ID d): 8 mm

Outside diameter (OD D): 28 mm

Thickness (B): 9 mm

Deep groove ball bearings:
 
1 TYPE  Seals of deep groove ball bearings: 16000 ZZ,RS,2RS,RZ Series  16001--16017
                                     604—609 ZZ,RS,2RS,RZ     624--629
                                     6000 ZZ,RS,2RS,RZ Series   6000--6060
                                     6200 ZZ,RS,2RS,RZ,Series   6200--6228--6252
                                     62200ZZ,RS,2RS,RZSeries   62200--62216
                                     6400 ZZ,RS,2RS,RZ Series   6403--6413
                                     6800 ZZ,RS,2RS,RZ Series   6800--6822--6872
                                     6900 ZZ,RS,2RS,RZ Series   6900--6922--6956
 
 
        Use characteristics: double seals of deep groove ball bearings: this bearings with double seals, can more closely to prevent dirt and grease overflow exploits. The seals and the contact between the inner ring, can be divided into contact and contactless. This bearings in the factory, mounted just the right amount of lubricant, pre-installation without cleaning, lubrication period allowed, without adding lubricants.
            Side seals of deep groove ball bearings: with dense this bearings with seals, prevents dirt from the side of the invasion, seals and there is no space between the inner ring, to contact seal, seal between the inner rings have a clearance is a non-contact seal, and shielded bearings, seals, but friction is large, low speed limits apply to seal a certain requirements.
  Another Type:     88506---88512
2 Bearing Accuracy: ABEC1,ABEC3
3 Bearing Material:  Chrome steel(Gcr 15)   Carbon steel
4Bearing Vibration: Z1,Z2,Z3
5Bearing Noise:V1,V2,V3
  NOTES: Packaging : Wooden Packing or Pallet packing or according to the customer's requirements 

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