NNU494 KOYO Double-row cylindrical roller bearings
Brand Name:KOYO
Model Number:NNU494
Series:11000
Cone Part Number:11162
Cup Part Number:11300
Design Units:Imperial
Bearing Weight:0.30 Kg
Cage Type:Stamped Steel
d:41.275 mm
D:76.2 mm

Product Details

Series11000
Cone Part Number11162
Cup Part Number11300
Design UnitsImperial
Bearing Weight0.30 Kg
Cage TypeStamped Steel
d41.275 mm
D76.2 mm
B - Cone Width17.384 mm
C - Cup Width14.288 mm
B18.009 mm
R - Cone Backface To Clear Radius11.520 mm
r - Cup Backface To Clear Radius21.52 mm
da - Cone Frontface Backing Diameter46.48 mm
db - Cone Backface Backing Diameter49.02 mm
Da - Cup Frontface Backing Diameter71.88 mm
Db - Cup Backface Backing Diameter67.06 mm
Ab - Cage-Cone Frontface Clearance2.3 mm
Aa - Cage-Cone Backface Clearance1 mm
a - Effective Center Location3-0.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)42800 lbf
C1 - Dynamic Radial Rating (1 million revolutions)510800 lbf
C0 - Static Radial Rating12400 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)62340 lbf
K - Factor71.2
e - ISO Factor80.49
Y - ISO Factor91.23
G1 - Heat Generation Factor (Roller-Raceway)19.2
G2 - Heat Generation Factor (Rib-Roller End)12.8
Cg - Geometry Factor0.0735
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Company Profile

TIMKEN BEARING MFG.CORP
Phone 409-782-6227
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