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 480340

O.D. (D)

N/A 33.9960 in863.498 mm

Outer Ring Width (C)

N/A 5.7500 in146.050 mm
e Factor 1 N/A 0.36
K Factor 2 N/A 1.62
Y Factor 3 N/A 1.67

Other Dimensions

Weight

N/A 923.7 Kg2036.4 lb
Max Housing Fillet Radius4 N/A 0.250 in6.40 mm

Housing Backing Shoulder Dia. - Backface (Db)

N/A 30.71 in780.00 mm

Factors

G1 Factor

N/A 7380

G2 Factor

N/A 343
  • 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.