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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 L217845D - L217813  
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Part Number L217845D - L217813, 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
L217800

Cone Part Number
L217845D

Cup Part Number
L217813

Design Unit
Inch

Cage Material
Stamped Steel

Note
This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.


Dimensions

d - Bore
3.3750 in
85.725 mm

D - Cup Outer Diameter
5 in
127 mm

B - Double Cone Width
1.75 in
44.45 mm

C - Cup Width
0.7500 in
19.050 mm

T - Bearing Width across Cups
1.6250 in
41.275 mm


Abutment and Fillet Dimensions

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

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

da - Cone Frontface Backing Diameter
3.66 in
93 mm

Db - Cup Backface Backing Diameter
4.61 in
117.09 mm

Ab - Cage-Cone Frontface Clearance
0.04 in
1 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
5400 lbf
24000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
36300 lbf
161000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
9400 lbf
41800 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
3050 lbf
13600 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
1.77

e - ISO Factor2
0.33

Y1 - ISO Factor3
2.05

Y2 - ISO Factor4
3.05

G1 - Heat Generation Factor (Roller-Raceway)
111

G2 - Heat Generation Factor (Rib-Roller End)
74.7

Cg - Geometry Factor5
0.115
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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