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

UPC

 N/A 0085706277857

O.D. (D)

 N/A 358.775 mm14.1250 in

Cup Part Number

 N/A M249710
e Factor 1 N/A 0.33
Y Factor 2 N/A 1.8

Other Dimensions

Weight

 N/A 20.80 Kg45.90 lb

C - Cup Width

 N/A 53.975 mm2.125 in
Max Housing Fillet Radius3 N/A 3.30 mm0.130 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 343.41 mm13.52 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 335.03 mm13.19 in

Factors

Geometry Factor (Cg)4 N/A 0.148
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.