This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Unit of Measure

Key Dimensions

O.D. (D)

 N/A 400.050 mm15.7500 in

Cup Part Number

 N/A DX459163
e Factor 1 N/A 0.43
K Factor 2 N/A 1.34
Y Factor 3 N/A 1.38

Other Dimensions

Weight

 N/A 38.40 Kg84.70 lb

C - Cup Width

 N/A 66 mm2.5984 in
Max Housing Fillet Radius4 N/A 6.10 mm0.240 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 383.54 mm15.10 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 366.01 mm14.41 in

Factors

G1 Factor

 N/A 1752.5

G2 Factor

 N/A 154
Geometry Factor (Cg)5 N/A 0.171
  • 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 maximum fillet radii will be cleared by the bearing corners.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.