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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 39585D - 39520  
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Part Number 39585D - 39520, 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
39500

Cone Part Number
39585D

Cup Part Number
39520

Design Unit
Inch

Cage Material
Stamped Steel

Related Assembly Number(s)
39585D-90014
39585D-90015
39585D-90027
39585D-90046
39585D-90047
39585D-90051
39585D-90064
39585D-90065
39585D-90077
39585D-902A3


Dimensions

d - Bore
2 1/2 in
63.500 mm

D - Cup Outer Diameter
4-7/16 in
112.713 mm

B - Double Cone Width
2.375 in
60.325 mm

C - Cup Width
0.9375 in
23.813 mm

T - Bearing Width across Cups
2.3750 in
60.325 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.03 in
0.800 mm

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

da - Cone Frontface Backing Diameter
2.83 in
72 mm

Db - Cup Backface Backing Diameter
3.98 in
101.09 mm

Ab - Cage-Cone Frontface Clearance
0.13 in
3.3 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
9730 lbf
43300 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
65300 lbf
291000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
16900 lbf
75400 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
5650 lbf
25100 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
1.72

e - ISO Factor2
0.34

Y1 - ISO Factor3
1.99

Y2 - ISO Factor4
2.96

G1 - Heat Generation Factor (Roller-Raceway)
84.3

G2 - Heat Generation Factor (Rib-Roller End)
23.7

Cg - Geometry Factor5
0.107
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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