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

O.D. (D)

 N/A 80 mm3.1496 in

Cup Part Number

 N/A Y32010X
e Factor 1 N/A 0.42
K Factor 2 N/A 1.38
Y Factor 3 N/A 1.42

Other Dimensions

Weight

 N/A 0.4 Kg0.8 lb

C - Cup Width

 N/A 15.500 mm0.6102 in
Max Housing Fillet Radius4 N/A 1.02 mm0.04 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 77.00 mm3.05 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 72.90 mm2.87 in

Factors

G1 Factor

 N/A 34

G2 Factor

 N/A 20.3
Geometry Factor (Cg)5 N/A 0.0853
  • 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 factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These maximum fillet radii will be cleared by the bearing corners.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.