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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 M244249DXX - M244210XX  
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Part Number M244249DXX - M244210XX, 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
M244200

Cone Part Number
M244249DXX

Cup Part Number
M244210XX

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)
M244249DXX-90086


Dimensions

d - Bore
8.6875 in
220.663 mm

D - Cup Outer Diameter
12.3750 in
314.325 mm

B - Double Cone Width
4.5625 in
115.888 mm

C - Cup Width
1.9375 in
49.213 mm

T - Bearing Width across Cups
4.5624 in
115.885 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
9.25 in
235 mm

Db - Cup Backface Backing Diameter
11.54 in
293.12 mm

Ab - Cage-Cone Frontface Clearance
0.14 in
3.6 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
46500 lbf
207000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
312000 lbf
1390000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
80900 lbf
360000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
26500 lbf
118000 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
1.76

e - ISO Factor2
0.33

Y1 - ISO Factor3
2.03

Y2 - ISO Factor4
3.02

Cg - Geometry Factor5
0.136
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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