Part Number 67721D, Tapered Roller Bearings - Double Tapered Cup

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.

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Unit of Measure

Key Dimensions | Other Dimensions | Factors

Key Dimensions

Cup Part Number	N/A 67721D
O.D. (D)	N/A 9.7500 in247.650 mm
e Factor ¹	N/A 0.44
K Factor ²	N/A 1.33

Other Dimensions

Weight	N/A 15.028 Kg33.13 lb
Outer Ring Width (C)	N/A 3.4375 in87.313 mm
Max Housing Fillet Radius³	N/A 0.03 in0.8 mm
Housing Backing Shoulder Dia. - Frontface (Da)	N/A 9.48 in240.03 mm

Factors

Y1 Factor ⁴	N/A 1.54
Y2 Factor ⁵	N/A 2.29
Geometry Factor (Cg)⁶	N/A 0.121

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 maximum fillet radii will be cleared by the bearing corners.
⁴ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
⁵ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
⁶ Geometry constant for Lubrication Life Adjustment Factor a3l.

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Key Dimensions

Cup Part Number

O.D. (D)

Other Dimensions

Weight

Outer Ring Width (C)

Housing Backing Shoulder Dia. - Frontface (Da)

Factors