4R3224 NSK Four Row Cylindrical Roller Bearings NTN 

Brand Name:NSK
Model Number:4R3224
Series:780000
Cone Part Number:EE780705
Cup Part Number:781400
Design Units:Imperial
Bearing Weight:25.5 Kg
Cage Type:Pin-Type
d:177.800 mm
D:355.6 mm

Product Details

Series780000
Cone Part NumberEE780705
Cup Part Number781400
Design UnitsImperial
Bearing Weight25.5 Kg
Cage TypePin-Type
d177.800 mm
D355.6 mm
B - Cone Width60.325 mm
C - Cup Width41.275 mm
B61.913 mm
R - Cone Backface To Clear Radius14.830 mm
r - Cup Backface To Clear Radius24.83 mm
da - Cone Frontface Backing Diameter209.04 mm
db - Cone Backface Backing Diameter207.01 mm
Da - Cup Frontface Backing Diameter322.07 mm
Db - Cup Backface Backing Diameter320.04 mm
Ab - Cage-Cone Frontface Clearance6.6 mm
Aa - Cage-Cone Backface Clearance6.9 mm
a - Effective Center Location3-0.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)451100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5197000 lbf
C0 - Static Radial Rating243000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)634900 lbf
K - Factor71.46
e - ISO Factor80.4
Y - ISO Factor91.5
G1 - Heat Generation Factor (Roller-Raceway)646
G2 - Heat Generation Factor (Rib-Roller End)79.4
Cg - Geometry Factor0.118
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Phone +65 6795 7418
Fax +65 6795 7418
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