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 LM665949DGW - LM665911  

Part Number LM665949DGW - LM665911, Tapered Roller Bearings - TDI (Tapered Double Inner) Imperial

    Download PDF Download PDF   
    border="0" Printable Page  
    Email Email This Page  
    Save To Favorites Save To Favorites
  

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.




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

Specifications

Series
LM665900

Cone Part Number
LM665949DGW

Cup Part Number
LM665911

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
15.1875 in
385.763 mm

D - Cup Outer Diameter
20.2500 in
514.350 mm

B - Double Cone Width
6.0000 in
152.400 mm

C - Cup Width
2.5 in
63.5 mm

T - Bearing Width across Cups
5.9999 in
152.397 mm


Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1
0.13 in
3.300 mm

r - Cup Backface "To Clear" Radius2
0.530 in
13.46 mm

da - Cone Frontface Backing Diameter
16.1 in
409 mm

Db - Cup Backface Backing Diameter
18.58 in
471.93 mm

Ab - Cage-Cone Frontface Clearance
0.18 in
4.6 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
78900 lbf
351000 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)2
530000 lbf
2360000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)3
137000 lbf
611000 N

Ca90 - Dynamic Thrust Rating (90 million revolutions)4
56500 lbf
251000 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
1.4

e - ISO Factor2
0.42

Y1 - ISO Factor3
1.61

Y2 - ISO Factor4
2.4

Cg - Geometry Factor5
0.216
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)