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

Cup Part Number

 N/A M383210

O.D. (D)

 N/A 40.0000 in1016.000 mm

Outer Ring Width (C)

 N/A 5.6250 in142.875 mm
e Factor 1 N/A 0.74
K Factor 2 N/A 1.66

Other Dimensions

Weight

 N/A 902.700 Kg1990.20 lb
Max Housing Fillet Radius3 N/A 0.250 in6.40 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 37.32 in947.90 mm
  • 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.