NNU496 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NNU496
Series:LM545800
Cone Part Number:LM545849E
Cup Part Number:LM545810
Design Units:Imperial
Bearing Weight:10.2 Kg
Cage Type:Stamped Steel
d:234.95 mm
D:314.325 mm

Product Details

SeriesLM545800
Cone Part NumberLM545849E
Cup Part NumberLM545810
Design UnitsImperial
Bearing Weight10.2 Kg
Cage TypeStamped Steel
d234.95 mm
D314.325 mm
B - Cone Width53.975 mm
C - Cup Width36.513 mm
B49.213 mm
R - Cone Backface To Clear Radius13.560 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter246.89 mm
db - Cone Backface Backing Diameter251.97 mm
Da - Cup Frontface Backing Diameter306.58 mm
Db - Cup Backface Backing Diameter295.91 mm
Ab - Cage-Cone Frontface Clearance1 mm
Aa - Cage-Cone Backface Clearance3.3 mm
a - Effective Center Location38.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)432600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5126000 lbf
C0 - Static Radial Rating213000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)622200 lbf
K - Factor71.47
e - ISO Factor80.4
Y - ISO Factor91.51
G1 - Heat Generation Factor (Roller-Raceway)938
G2 - Heat Generation Factor (Rib-Roller End)176
Cg - Geometry Factor0.134
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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