NNU3144 KOYO Double-row cylindrical roller bearings

Brand Name: KOYO
Model Number: NNU3144
Series: 26000
Cone Part Number: 26131
Cup Part Number: 26300
Design Units: Imperial
Bearing Weight: 0.4 Kg
Cage Type: Stamped Steel
d: 33.338 mm
D: 76.2 mm
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Product Details

Series 26000
Cone Part Number 26131
Cup Part Number 26300
Design Units Imperial
Bearing Weight 0.4 Kg
Cage Type Stamped Steel
d 33.338 mm
D 76.2 mm
B - Cone Width 18.923 mm
C - Cup Width 15.875 mm
B 18.999 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 1.52 mm
da - Cone Frontface Backing Diameter 38.61 mm
db - Cone Backface Backing Diameter 44.45 mm
Da - Cup Frontface Backing Diameter 66.50 mm
Db - Cup Backface Backing Diameter 64.01 mm
Ab - Cage-Cone Frontface Clearance 2.3 mm
Aa - Cage-Cone Backface Clearance 0 mm
a - Effective Center Location3 -4.1 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 4060 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 15700 lbf
C0 - Static Radial Rating 13500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 2500 lbf
K - Factor7 1.62
e - ISO Factor8 0.36
Y - ISO Factor9 1.67
G1 - Heat Generation Factor (Roller-Raceway) 16.1
G2 - Heat Generation Factor (Rib-Roller End) 10.1
Cg - Geometry Factor 0.063
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