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 LM288210

O.D. (D)

N/A 51.0000 in1295.400 mm

Outer Ring Width (C)

N/A 6.1417 in155.999 mm
e Factor 1 N/A 0.7
K Factor 2 N/A 1.76

Other Dimensions

Weight

N/A 1240.200 Kg2734.20 lb
Max Housing Fillet Radius3 N/A 0.500 in12.70 mm

Housing Backing Shoulder Dia. - Backface (Db)

N/A 48.23 in1225.00 mm

Factors

G1 Factor

N/A 43500
  • 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.