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Date: 2016-08-22

Timken 3490 - 3420 bearing stock, Dimensions, Drawing

Series 3400
Cone Part Number 3490
Cup Part Number 3420
Design Units Imperial
Bearing Weight 1.4000 lb
0.7000 Kg
Cage Type Stamped Steel
D - Cup Outer Diameter 3.1250 in
79.375 mm
d - Cone Bore 1.5000 in
38.100 mm
B - Cone Width 1.1721 in
29.771 mm
C - Cup Width 0.9375 in
23.813 mm
T - Bearing Width 1.1563 in
29.370 mm
Z - Number of Rollers Per Row 15
R - Cone Backface "To Clear" Radius1 0.140 in
3.560 mm
r - Cup Backface "To Clear" Radius2 0.130 in
3.30 mm
da - Cone Frontface Backing Diameter 1.80 in
45.72 mm
db - Cone Backface Backing Diameter 2.05 in
52.07 mm
Da - Cup Frontface Backing Diameter 2.94 in
74.68 mm
Db - Cup Backface Backing Diameter 2.64 in
67.06 mm
Ab - Cage-Cone Frontface Clearance 0.04 in
1.02 mm
Aa - Cage-Cone Backface Clearance 0.06 in
1.52 mm
a - Effective Center Location3 -0.34 in
-8.60 mm
C90 - Dynamic Radial Rating (90 million revolutions)1 6100 lbf
27100 N
C1 - Dynamic Radial Rating (1 million revolutions)2 23500 lbf
105000 N
C0 - Static Radial Rating 26800 lbf
119000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)3 3820 lbf
17000 N
K - Factor1 1.6
e - ISO Factor2 0.37
Y - ISO Factor3 1.64
G1 - Heat Generation Factor (Roller-Raceway) 29.9
G2 - Heat Generation Factor (Rib-Roller End) 11.2
Cg - Geometry Factor 0.0781



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