All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TDO (Tapered Double Outer) > Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial > Part Number EE430900 - 431576CD  

Part Number EE430900 - 431576CD, Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial

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The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.




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

Specifications

Series
430000

Cone Part Number
EE430900

Cup Part Number
431576CD

Design Unit
Inch

Cage Material
Stamped Steel

Related Assembly Number(s)
EE430900-90034
EE430900-90035
EE430900-90036
EE430900-90037
EE430900-90038
EE430900-90039
EE430900-90040
EE430900-90042
EE430900-90045
EE430900-902A5
EE430900-902A6
EE430900-902A9
EE430900-902B1


Dimensions

d - Bore
9 in
228.600 mm

D - Cup Outer Diameter
15.7500 in
400.050 mm

B - Cone Width
3.4375 in
87.313 mm

C - Double Cup Width
5.3750 in
136.525 mm

T - Bearing Width across Cones
7.3749 in
187.322 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.410 in
10.400 mm

r - Cup Backface "To Clear" Radius2
0.06 in
1.5 mm

db - Cone Backface Backing Diameter
10.67 in
271 mm

Da - Cup Frontface Backing Diameter
14.49 in
364.24 mm

Aa - Cage-Cone Backface Clearance
0.55 in
14 mm

a - Effective Center Location3
-0.19 in
-4.8 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.
3 Negative value indicates effective center inside cone backface.


Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)1
65500 lbf
291000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
440000 lbf
1960000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
114000 lbf
507000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
49300 lbf
219000 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
1.33

e - ISO Factor2
0.44

Y1 - ISO Factor3
1.54

Y2 - ISO Factor4
2.29

Cg - Geometry Factor5
0.157
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.
5 Geometry constant for Lubrication Life Adjustment Factor a3l.


 MORE IMAGES 

·  Timken_TRB_2ROWASSY_TDO_438-90092-A

·  Timken_TRB_2ROWASSY_TDO_438-90092-A3

·  Timken_TRB_2ROWASSY_TDO_438-90092-T2



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