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Part Number 148220D, 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
148000

Cup Part Number
148220D

Design Units
Imperial


Dimensions

D - Cup Outer Diameter
22.0000 in
558.800 mm

C - Double Cup Width
4.375 in
111.125 mm


Abutment and Fillet Dimensions

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

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


Factors

K - Factor1
0.66

e - ISO Factor2
2.71

Y1 - ISO Factor3
0.25
0.37

Y2 - ISO Factor4
0.37

G1 - Heat Generation Factor (Roller-Raceway)
1640

Cg - Geometry Factor5
0.205
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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