All Product Types > ENGINEERED BEARINGS > Tapered Roller Bearings > Tapered Roller Bearings - Double Cups > Tapered Roller Bearings - Double Tapered Cup - Imperial > Part Number 972151D  

Part Number 972151D, 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.




Specifications  · Dimensions  · Abutment and Fillet Dimensions  · Factors

Specifications

Series
970000

Cup Part Number
972151D

Design Units
Imperial


Dimensions

D - Cup Outer Diameter
21.5000 in
546.1 mm

C - Double Cup Width
6.0000 in
152.400 mm


Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1
0.130 in
3.30 mm

Da - Cup Frontface Backing Diameter
19.78 in
502.41 mm
1 These maximum fillet radii will be cleared by the bearing corners.


Factors

K - Factor1
1.76

e - ISO Factor2
0.33

Y1 - ISO Factor3
2.03

Y2 - ISO Factor4
3.02

Cg - Geometry Factor5
0.173
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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