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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 631484

O.D. (D)

 N/A 48.0265 in1219.873 mm

Outer Ring Width (C)

 N/A 6.5054 in165.237 mm
e Factor 1 N/A 0.84
K Factor 2 N/A 1.49

Other Dimensions

Weight

 N/A 1738.100 Kg3831.90 lb
Max Housing Fillet Radius3 N/A 0.500 in12.70 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 44.29 in1125.00 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.