NN3920K NSK Double row cylindrical roller bearings
Brand Name:NSK
Model Number:NN3920K
Series:28000
Cone Part Number:28137
Cup Part Number:28317
Design Units:Imperial
Bearing Weight:0.5 Kg
Cage Type:Stamped Steel
d:34.925 mm
D:80.035 mm

Product Details

Series28000
Cone Part Number28137
Cup Part Number28317
Design UnitsImperial
Bearing Weight0.5 Kg
Cage TypeStamped Steel
d34.925 mm
D80.035 mm
B - Cone Width20.940 mm
C - Cup Width15.875 mm
B21.433 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter40.89 mm
db - Cone Backface Backing Diameter43.43 mm
Da - Cup Frontface Backing Diameter73.90 mm
Db - Cup Backface Backing Diameter69.09 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance1.5 mm
a - Effective Center Location3-4.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)44390 lbf
C1 - Dynamic Radial Rating (1 million revolutions)516900 lbf
C0 - Static Radial Rating15500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)63020 lbf
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)20.7
G2 - Heat Generation Factor (Rib-Roller End)12.5
Cg - Geometry Factor0.0709
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Company Profile

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