QJF252X2 Angular Contact Ball Bearing 260x480x60mm

QJF252X2    Angular Contact Ball Bearing

 Inner Diameter (ID): 260   mm

Outer diameter (OD) 480    mm
Width/Height: 60  mm
Material:chrome steel(GCR15)
Number of Row: double rows
Seals type: open
Contact Angle:C=15°;AC=25°,A=30°; B=40°
Material: No mark:Steel ball(SUJ2); SN24:Ceramic ball(Si3N4)

QJF252X2   Cage structure:

TYN:polyamide resin cage
TR : Phenolic resin cage

BRASS:Brass cage

QJF252X2  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

QJF252X2  Preloaded mark: 
EL: Micro preloaded
L : Light preload
M : Medium preloade
H : Heavy preloaded

QJF252X2  Precision grade: 
P2 : ISO2;    
P4 : ISO4;  
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade

<

<

<