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Tapered Roller Bearings - Double Tapered Cup - Imperial
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Tapered Roller Bearings - Double Tapered Cup - Imperial
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Part Number 15251D
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Part Number 15251D, 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
15000
Cup Part Number
15251D
Design Units
Imperial
Dimensions
D - Cup Outer Diameter
2.5000
in
63.500
mm
C - Double Cup Width
1.4375
in
36.513
mm
Abutment and Fillet Dimensions
r - Cup Backface "To Clear" Radius
1
0.030
in
0.8
mm
Da - Cup Frontface Backing Diameter
2.34
in
58.93
mm
1
These maximum fillet radii will be cleared by the bearing corners.
Factors
K - Factor
1
1.67
e - ISO Factor
2
0.35
Y1 - ISO Factor
3
1.93
Y2 - ISO Factor
4
2.87
G1 - Heat Generation Factor (Roller-Raceway)
14.6
G2 - Heat Generation Factor (Rib-Roller End)
7.58
Cg - Geometry Factor
5
0.0606
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.
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·
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·
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·
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The Timken Company. ©
The Timken Company.
©
The Timken Company.