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Tapered Roller Bearings - Double Tapered Cup - Imperial
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Tapered Roller Bearings
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Tapered Roller Bearings - Double Cups
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Tapered Roller Bearings - Double Tapered Cup - Imperial
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Part Number LL989310XD
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Part Number LL989310XD, Tapered Roller Bearings - Double Tapered Cup - Imperial
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The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Unit of Measure:
Imperial
Metric
Both
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Factors
Specifications
Series
LL989300
Cup Part Number
LL989310XD
Design Units
Imperial
Dimensions
D - Cup Outer Diameter
62.3750
in
1584.325
mm
C - Double Cup Width
3.125
in
79.375
mm
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
0.130
in
3.30
mm
Da - Cup Frontface Backing Diameter
63.76
in
1619.50
mm
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
0.94
e - ISO Factor
2
1.5
Y1 - ISO Factor
3
0.45
0.67
Y2 - ISO Factor
4
0.67
G1 - Heat Generation Factor (Roller-Raceway)
34800
Cg - Geometry Factor
5
0.488
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.
VIEW CAD DRAWING
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3D
·
2D Sectional View
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2D Sales Drawing
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Bearing Life Calculation Tool
Bearing Dimensional Tolerances
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The Timken Company. ©
The Timken Company.
©
The Timken Company.