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 LM245110

O.D. (D)

 N/A 12.25 in311.15 mm

Outer Ring Width (C)

 N/A 1.5 in38.1 mm
e Factor 1 N/A 0.33
K Factor 2 N/A 1.76
Y Factor 3 N/A 1.8

Other Dimensions

Weight

 N/A 19.9 Kg43.8 lb
Max Housing Fillet Radius4 N/A 0.130 in3.30 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 11.54 in293.10 mm

Factors

G1 Factor

 N/A 987

G2 Factor

 N/A 210
  • 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.