zhongheng bearing co.,ltd
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20256 Spherical roller Bearings 280x500x80mm

20256 Spherical Roller Bearings 280x500x80mm

Min. Order:
1 Piece
Payment term:
TT/Paypal/LC
Delivery time:
1--30days
Technical Parameters:
Product Designations:
20256
Structure:
Spherical Roller Bearing
Inside Diameter:
280 mm
Outside Diameter:
500 mm
Thickness:
80 mm
Weight:
75.2 KG
Brand:
GBZHB or OEM
Precision Rating:
P0,P6,P5,P4,P2
Bearing Material:
Bearing steel / Chrome steel GCr15
Seals Type:
ZZ,2RS,Open
20256 Spherical Roller Bearings 280x500x80mm

20256   Spherical roller Bearings

 

Inner Diameter (ID):280    mm
Outer diameter (OD):500  
 mm

Width/Height:80   mm    

Weight:75.2  KG

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

Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)
Cage structure:
TYN:polyamide resin cage
TR : Phenolic resin cage

BRASS:Brass cage
Combination of mark:
SU:Universal combination (single row)
DU:Universal combination (double rows)
DB: Back-to-back combination
DF: Face-to-face combination
DT: Parallel combination
DBD.DFD.DTD:  Three rows
DBB.DFF.DBT.DFT.DTT: Four rows
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

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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How can you buy 20256 Spherical Roller Bearings 280x500x80mm on the Internet?
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