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

Key Dimensions

Cup Part Number

 N/A M514512

O.D. (D)

 N/A 4.8750 in123.825 mm

Outer Ring Width (C)

 N/A 1.0310 in26.187 mm
e Factor 1 N/A 0.4
Y Factor 2 N/A 1.5

Other Dimensions

Weight

 N/A 1.50 Kg3.3 lb
Max Housing Fillet Radius3 N/A 0.08 in2.03 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 4.69 in119.10 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 4.37 in111.00 mm

Factors

Geometry Factor (Cg)4 N/A 0.114
  • 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.
  • 4 Geometry constant for Lubrication Life Adjustment Factor a3l.