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 EE147112 - 147198D  

Part Number EE147112 - 147198D, 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
147000

Cone Part Number
EE147112

Cup Part Number
147198D

Design Unit
Inch

Cage Material
Pin-Type

Related Assembly Number(s)
EE147112-90016


Dimensions

d - Bore
11.2500 in
285.750 mm

D - Cup Outer Diameter
19.7500 in
501.650 mm

B - Cone Width
3.5000 in
88.900 mm

C - Double Cup Width
4.7500 in
120.650 mm

T - Bearing Width across Cones
8.0000 in
203.200 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.25 in
6.4 mm

r - Cup Backface "To Clear" Radius2
0.130 in
3.30 mm

db - Cone Backface Backing Diameter
12.95 in
329 mm

Da - Cup Frontface Backing Diameter
18.43 in
468.12 mm

Aa - Cage-Cone Backface Clearance
0.78 in
19.8 mm

a - Effective Center Location3
2.04 in
51.8 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
79400 lbf
353000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
533000 lbf
2370000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
138000 lbf
615000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
113000 lbf
505000 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
0.7

e - ISO Factor2
0.83

Y1 - ISO Factor3
0.81

Y2 - ISO Factor4
1.2

Cg - Geometry Factor5
0.195
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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