99220NU KOYO Wide series cylindrical roller bearings
Brand Name:KOYO
Model Number:99220NU
Series:M349500
Cone Part Number:M349547
Cup Part Number:M349512XX
Design Units:Imperial
Bearing Weight:14.6 Kg
Cage Type:Stamped Steel
d:255.600 mm
D:342.900 mm

Product Details

SeriesM349500
Cone Part NumberM349547
Cup Part NumberM349512XX
Design UnitsImperial
Bearing Weight14.6 Kg
Cage TypeStamped Steel
d255.600 mm
D342.900 mm
B - Cone Width63.5 mm
C - Cup Width44.450 mm
B57.150 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius23.30 mm
da - Cone Frontface Backing Diameter270 mm
db - Cone Backface Backing Diameter270 mm
Da - Cup Frontface Backing Diameter333.00 mm
Db - Cup Backface Backing Diameter322.07 mm
Ab - Cage-Cone Frontface Clearance1 mm
Aa - Cage-Cone Backface Clearance2 mm
a - Effective Center Location32.5 mm
C90 - Dynamic Radial Rating (90 million revolutions)436600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5141000 lbf
C0 - Static Radial Rating286000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)621800 lbf
K - Factor71.68
e - ISO Factor80.35
Y - ISO Factor91.73
G1 - Heat Generation Factor (Roller-Raceway)1313.8
G2 - Heat Generation Factor (Rib-Roller End)179.2
Cg - Geometry Factor0.143
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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