zhongheng bearing co.,ltd
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N304E Cylindrical roller bearing 20x52x15mm

N304E Cylindrical Roller Bearing 20x52x15mm

Min. Order:
1 Piece
Payment term:
TT/Paypal/LC
Delivery time:
1--30days
Technical Parameters:
Product Designations:
N304E
Structure:
Cylindrical roller bearing
Inside Diameter:
20 mm
Outside Diameter:
52 mm
Thickness:
15 mm
Weight:
0.155 KG
Brand:
GBZHB or OEM
Precision Rating:
P0,P6,P5,P4,P2
Bearing Material:
Bearing steel / Chrome steel GCr15
Seals Type:
ZZ,2RS,Open
N304E Cylindrical Roller Bearing 20x52x15mm

N304E     cylindrical roller bearings

 Inner Diameter (ID):20      mm
Outer diameter (OD):52    mm
Width/Height   15  mm
     

Weight: 0.155  KG

Number of Row: Double row
Seals type: open
Characteristics: high speed

Internal structure: N.NU.NJ.NF.NUP.NFP.NH(NJ+HJ).NN.NNU.NNF.FC.FCD

Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)

N304E    Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage

BRASS:Brass cage

N304E     Type cylindrical roller bearings
1.N bearing

2.NU type bearings

3.NJ type bearings

4.NUP bearings

5.NN bearings

 

N304E  Preloaded mark: 
CAC
: Large size bearings, roller is symmetrical
ECAC : 
Bearing roller and race surface by optimizing processing, helps to guide roller

CA : Roller is symmetrical, inner ring without guard.Each column roller with stamping steel cage
CC: Bearing roller and race surface by optimizing processing, help guide roller, and can reduce friction

E: Bearing load capacity is higher.E type bearing outer ring with a groove and three oil hole

Precision grade: 
P2 : ISO2;    
P4 : ISO4;  
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade

N304E   Bearing clearance

C1-1 set of the clearance, clearance is less than 2 groups.
C2 - clearance conform to the standards stipulated by the two groups, group windage is less than 0.
C0 - clearance conform to the standards stipulated by the 0 group, code omitted, don\\\\\\\'t say.
C3 - clearance conform to the standards stipulated by the three groups, group clearance greater than 0.
C4 - clearance conform to the standards stipulated by the four groups, clearance is greater than three groups.
Of the C5 - clearance 5 groups, clearance is greater than the four groups.
When clearance code and tolerance grade bearing code P4, P5 or P6, saves clearance code C.

 


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