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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 48290DW - 48220  
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Part Number 48290DW - 48220, 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
48200

Cone Part Number
48290DW

Cup Part Number
48220

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.

Related Assembly Number(s)
48290DW-90162
48290DW-90163
48290DW-90167
48290DW-90173
48290DW-90174
48290DW-902A6
48290DW-902C3
48290DW-902C6
48290DW-902C7
48290DW-902C8


Dimensions

d - Bore
5 in
127 mm

D - Cup Outer Diameter
7.1875 in
182.563 mm

B - Double Cone Width
3.0000 in
76.200 mm

C - Cup Width
1.3125 in
33.338 mm

T - Bearing Width across Cups
3.0001 in
76.203 mm


Abutment and Fillet Dimensions

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

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

da - Cone Frontface Backing Diameter
5.39 in
137 mm

Db - Cup Backface Backing Diameter
6.61 in
167.89 mm

Ab - Cage-Cone Frontface Clearance
0.09 in
2.3 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
15600 lbf
69400 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
105000 lbf
466000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
27200 lbf
121000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
8160 lbf
36300 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
1.91

e - ISO Factor2
0.31

Y1 - ISO Factor3
2.21

Y2 - ISO Factor4
3.29

G1 - Heat Generation Factor (Roller-Raceway)
353

Cg - Geometry Factor5
0.114
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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