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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - 2TS (Matched Bearing Assembly) > Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount) > Part Number 3490 - 3420 (X1S-28150)  
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Part Number 3490 - 3420 (X1S-28150), Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)


Tapered Roller Bearings - 2TS-IM (Matched Bearing Assembly, Indirect Mount)



Unit of Measure: Imperial Metric Both

Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Basic Load Ratings  · Factors

Specifications

Cone Part Number
3490

Cup Part Number
3420

Related Assembly Number(s)
3490-90042

Inner Spacer Part Number
X1S-28150

Design Unit
Inch


Dimensions

d - Bore
1 1/2 in
38.1 mm

D - Cup Outer Diameter
3.1250 in
79.375 mm

T - Width
2.5006 in
63.515 mm

C - Width
2.063 in
52.4 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.14 in
3.600 mm

r - Cup Backface "To Clear" Radius2
0.030 in
0.8 mm

db - Cone Backface Backing Diameter
2.05 in
52 mm

Da - Cup Frontface Backing Diameter
2.94 in
74.68 mm
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.


Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)1
6100 lbf
27100 N

C1 - Dynamic Radial Rating (1 million revolutions)2
41000 lbf
182000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)3
3820 lbf
17000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)4
10600 lbf
47200 N
1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.


Factors

K - Factor1
1.6

e - ISO Factor2
0.37

Y1 - ISO Factor3
1.85

Y2 - ISO Factor4
2.75
1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.


 MORE IMAGES 

·  timken-2TS-IM-4-8OD-cutaway-angle-view

·  timken-2TS-IM-4-8OD-left-angle-view

·  Timken TRB 2TS-IM



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers


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