NN398 NSK Double row cylindrical roller bearings
Brand Name:NSK
Model Number:NN398
Series:HM262700
Cone Part Number:HM262749V
Cup Part Number:HM262710
Design Units:Imperial
Bearing Weight:55.80 Kg
Cage Type:Pin-Type
d:346.075 mm
D:488.950 mm

Product Details

SeriesHM262700
Cone Part NumberHM262749V
Cup Part NumberHM262710
Design UnitsImperial
Bearing Weight55.80 Kg
Cage TypePin-Type
d346.075 mm
D488.950 mm
B - Cone Width95.250 mm
C - Cup Width74.613 mm
B95.253 mm
R - Cone Backface To Clear Radius16.35 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter367.03 mm
db - Cone Backface Backing Diameter376.94 mm
Da - Cup Frontface Backing Diameter467.36 mm
Db - Cup Backface Backing Diameter455.93 mm
Ab - Cage-Cone Frontface Clearance5.1 mm
Aa - Cage-Cone Backface Clearance6.6 mm
a - Effective Center Location3-6.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)4116000 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5446000 lbf
C0 - Static Radial Rating845000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)666200 lbf
K - Factor71.74
e - ISO Factor80.33
Y - ISO Factor91.79
G1 - Heat Generation Factor (Roller-Raceway)3646.2
G2 - Heat Generation Factor (Rib-Roller End)341.8
Cg - Geometry Factor0.2
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Company Profile

COOPER BEARING LIMITED
Phone +1-785-435-3678
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