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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 27.1 Kg59.80 lb

C - Cup Width

 N/A 2.0547 in52.189 mm
Max Housing Fillet Radius1 N/A 0.06 in1.5 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 11.54 in293.10 mm

Key Dimensions

Series

 N/A M144400

Cup Part Number

 N/A M144414X

O.D. (D)

 N/A 12.375 in314.325 mm
K Factor 2 N/A 2.07
e Factor 3 N/A 0.59
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.