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All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - TDI (Tapered Double Inner) > Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial > Part Number EE220975DW - 221575  
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Part Number EE220975DW - 221575, Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial


TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft.



Unit of Measure: Imperial Metric Both

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

Specifications

Series
220000

Cone Part Number
EE220975DW

Cup Part Number
221575

Design Unit
Inch

Cage Material
Stamped Steel

Related Assembly Number(s)
EE220975DW-902A1
EE220975DW-902A2


Dimensions

d - Bore
9.7500 in
247.650 mm

D - Cup Outer Diameter
15.7500 in
400.050 mm

B - Double Cone Width
4.5000 in
114.300 mm

C - Cup Width
1.8125 in
46.038 mm

T - Bearing Width across Cups
4.6873 in
119.057 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.06 in
1.5 mm

r - Cup Backface "To Clear" Radius2
0.250 in
6.35 mm

da - Cone Frontface Backing Diameter
10.67 in
271 mm

Db - Cup Backface Backing Diameter
14.41 in
366.01 mm

Ab - Cage-Cone Frontface Clearance
0.27 in
6.9 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 (One-Row, 90 million revolutions)1
51100 lbf
227000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
343000 lbf
1530000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
88900 lbf
396000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
34500 lbf
153000 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
1.48

e - ISO Factor2
0.39

Y1 - ISO Factor3
1.71

Y2 - ISO Factor4
2.55

Cg - Geometry Factor5
0.15
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.


Spacer

Note
Spacer shows standard nominal .01 radii, actual bearing may vary


 MORE IMAGES 

·  Timken_TRB_2ROWASSY_TDI_39585D-90015-A

·  Timken_TRB_2ROWASSY_TDI_39585D-90015-A3

·  Timken_TRB_2ROWASSY_TDI_39585D-90015-T2



 DOWNLOADS 

Bearing Life Calculation Tool

Bearing Dimensional Tolerances

Tools and Guides for Engineers

TRB TDI Line Drawing
(JPG, 14KB)


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