NNU4068 KOYO Double-row cylindrical roller bearings

Brand Name:KOYO
Model Number:NNU4068
Series:16000
Cone Part Number:16137
Cup Part Number:16284
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:34.925 mm
D:72.238 mm
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Product Details

Series16000
Cone Part Number16137
Cup Part Number16284
Design UnitsImperial
Bearing Weight0.4 Kg
Cage TypeStamped Steel
d34.925 mm
D72.238 mm
B - Cone Width20.638 mm
C - Cup Width15.875 mm
B20.638 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius21.27 mm
da - Cone Frontface Backing Diameter40.39 mm
db - Cone Backface Backing Diameter46.99 mm
Da - Cup Frontface Backing Diameter67.10 mm
Db - Cup Backface Backing Diameter62.99 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0.5 mm
a - Effective Center Location3-4.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)43300 lbf
C1 - Dynamic Radial Rating (1 million revolutions)512700 lbf
C0 - Static Radial Rating14800 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62270 lbf
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)20.3
G2 - Heat Generation Factor (Rib-Roller End)10.6
Cg - Geometry Factor0.0707
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Company Profile

Phone 49-2104-13138
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