NNU3144 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NNU3144
Series:32205
Cone Part Number:X32205
Design Units:METRIC
Cage Type:Stamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:19500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:5050 lbf
d:25.000 mm
B - Cone Width:18 mm
PDF NNU3144

Product Details

Series32205
Cone Part NumberX32205
Design UnitsMETRIC
Cage TypeStamped Steel
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)119500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)25050 lbf
d25.000 mm
B - Cone Width18 mm
WPD48.2 mm
DD42.7 mm
R - Cone Backface To Clear Radius31.020 mm
da - Cone Frontface Backing Diameter31 mm
db - Cone Backface Backing Diameter34 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0.5 mm
a - Effective Center Location4-5.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)512900 N
C1 - Dynamic Radial Rating (1 million revolutions)649800 N
C0 - Static Radial Rating42100 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)77950 N
K - Factor81.62
G1 - Heat Generation Factor (Roller-Raceway)9.4
G2 - Heat Generation Factor (Rib-Roller End)7.3
Cg - Geometry Factor0.0528
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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