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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.
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Unit of Measure

Other Dimensions

Weight

 N/A 124.000 Kg273.50 lb

C - Cup Width

 N/A 3.1875 in80.963 mm
Max Housing Fillet Radius1 N/A 0.24 in6.10 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 26.10 in662.94 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 25.75 in654.05 mm

Key Dimensions

Series

 N/A LM274000

Cup Part Number

 N/A LM274010

O.D. (D)

 N/A 27.3750 in695.325 mm
e Factor 2 N/A 0.33

Factors

Geometry Factor (Cg)3 N/A 0.246
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 3 Geometry constant for Lubrication Life Adjustment Factor a3l.