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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.
Unit of Measure

Other Dimensions

Weight

N/A 0.9 Kg1.9 lb

C - Cup Width

N/A 24.500 mm0.9646 in
Max Housing Fillet Radius1 N/A 2.03 mm0.08 in

Housing Backing Shoulder Diameter - Frontface (Da)

N/A 91.9 mm3.62 in

Housing Backing Shoulder Diameter - Backface (Db)

N/A 87.12 mm3.43 in

Key Dimensions

Series

N/A M207000

Cup Part Number

N/A JM207010A

O.D. (D)

N/A 95 mm3.7402 in
K Factor 2 N/A 1.74
e Factor 3 N/A 0.33
Y Factor 4 N/A 1.79

Factors

G1 Factor

N/A 56.4

G2 Factor

N/A 19.9
Geometry Factor (Cg)5 N/A 0.0937
  • 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.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.