QJ318N2 Angular Contact Ball Bearing 90x190x43mm

QJ318N2    Angular Contact Ball Bearing

Inner Diameter (ID):    90  mm

Outer diameter (OD)   190  mm
Width/Height:   43   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)

QJ318N2      Cage structure:

TYN:polyamide resin cage
TR : Phenolic resin cage

BRASS:Brass cage

QJ318N2    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

QJ318N2   Preloaded mark: 
EL: Micro preloaded
L : Light preload
M : Medium preloade

QJ318N2   Precision grade: 
P2 : ISO2;    
P4 : ISO4;  
P5 : ISO5
P3 : Special grade(Dimensional accuracy:ISO4,Rotation accuracy:ISO2)
p4Y: Special grade

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