Part Number 384DC, 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 384DC
O.D. (D)	N/A 3.9370 in100 mm
e Factor ¹	N/A 0.35
K Factor ²	N/A 1.65

Other Dimensions

Weight	N/A 1.545 Kg3.41 lb
Outer Ring Width (C)	N/A 1.6875 in42.863 mm
Max Housing Fillet Radius³	N/A 0.03 in0.8 mm
Housing Backing Shoulder Dia. - Frontface (Da)	N/A 3.68 in93.47 mm

Factors

Y1 Factor ⁴	N/A 1.91
Y2 Factor ⁵	N/A 2.84
Geometry Factor (Cg)⁶	N/A 0.0859

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