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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 69.900 Kg154.20 lb

C - Cup Width

 N/A 2.9528 in75.001 mm
Max Housing Fillet Radius1 N/A 0.24 in6.10 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 22.68 in576.07 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 22.09 in561.09 mm

Key Dimensions

Series

 N/A M270400

Cup Part Number

 N/A M270410

O.D. (D)

 N/A 23.4232 in594.949 mm
e Factor 2 N/A 0.33

Factors

Geometry Factor (Cg)3 N/A 0.234
  • 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.