NNU303 TIMKEN Double row cylindrical roller bearings
Brand Name:TIMKEN
Model Number:NNU303
Series:HM237500
Cone Part Number:HM237547
Cup Part Number:HM237513
Design Units:Imperial
Bearing Weight:15.400 Kg
Cage Type:Stamped Steel
d:180 mm
D:289.974 mm

Product Details

SeriesHM237500
Cone Part NumberHM237547
Cup Part NumberHM237513
Design UnitsImperial
Bearing Weight15.400 Kg
Cage TypeStamped Steel
d180 mm
D289.974 mm
B - Cone Width68.263 mm
C - Cup Width48.001 mm
B63.503 mm
R - Cone Backface To Clear Radius17.110 mm
r - Cup Backface To Clear Radius23.05 mm
da - Cone Frontface Backing Diameter195.07 mm
db - Cone Backface Backing Diameter205.99 mm
Da - Cup Frontface Backing Diameter272.00 mm
Db - Cup Backface Backing Diameter266.95 mm
Ab - Cage-Cone Frontface Clearance3 mm
Aa - Cage-Cone Backface Clearance4.6 mm
a - Effective Center Location3-11.7 mm
C90 - Dynamic Radial Rating (90 million revolutions)448800 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5188000 lbf
C0 - Static Radial Rating254000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)626600 lbf
K - Factor71.83
e - ISO Factor80.32
Y - ISO Factor91.88
G1 - Heat Generation Factor (Roller-Raceway)704.9
G2 - Heat Generation Factor (Rib-Roller End)95.5
Cg - Geometry Factor0.114
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Company Profile

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