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 225 mm8.8583 in

Cup Part Number

 N/A Y33030M
e Factor 1 N/A 0.36
K Factor 2 N/A 1.6
Y Factor 3 N/A 1.65

Other Dimensions

Weight

 N/A 8 Kg17.63 lb

C - Cup Width

 N/A 46 mm1.811 in
Max Housing Fillet Radius4 N/A 2.5 mm0.1 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 218 mm8.58 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 207 mm8.15 in

Factors

G1 Factor

 N/A 541.5

G2 Factor

 N/A 102.4
Geometry Factor (Cg)5 N/A 0.132
  • 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.