100 mm x 250 mm x 58 mm ISB NU 420 cylindrical roller bearings

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What is NU 420 bearing interchange´╝č

Brand Name:ISB
Model Number:NU 420
Series:14000
Cone Part Number:14139
Cup Part Number:14276
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:34.976 mm
D:69.012 mm
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Product Details

Series14000
Cone Part Number14139
Cup Part Number14276
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d34.976 mm
D69.012 mm
B - Cone Width19.583 mm
C - Cup Width15.875 mm
B19.845 mm
R - Cone Backface To Clear Radius11.270 mm
r - Cup Backface To Clear Radius21.27 mm
da - Cone Frontface Backing Diameter40.89 mm
db - Cone Backface Backing Diameter42.42 mm
Da - Cup Frontface Backing Diameter63.00 mm
Db - Cup Backface Backing Diameter59.94 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0.5 mm
a - Effective Center Location3-4.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)43180 lbf
C1 - Dynamic Radial Rating (1 million revolutions)512300 lbf
C0 - Static Radial Rating13900 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62080 lbf
K - Factor71.53
e - ISO Factor80.38
Y - ISO Factor91.57
G1 - Heat Generation Factor (Roller-Raceway)18
G2 - Heat Generation Factor (Rib-Roller End)9.4
Cg - Geometry Factor0.0668
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