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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 3.60 Kg7.9 lb

C - Cup Width

N/A 23 mm0.9055 in
Max Housing Fillet Radius1 N/A 3.05 mm0.12 in

Housing Backing Shoulder Diameter - Frontface (Da)

N/A 233.68 mm9.20 in

Housing Backing Shoulder Diameter - Backface (Db)

N/A 227.08 mm8.94 in

Key Dimensions

Series

N/A JP18000

Cup Part Number

N/A JP18010

O.D. (D)

N/A 240 mm9.4488 in
K Factor 2 N/A 1.21
e Factor 3 N/A 0.48
Y Factor 4 N/A 1.24

Factors

G1 Factor

N/A 369.2

G2 Factor

N/A 161.8
Geometry Factor (Cg)5 N/A 0.104
  • 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.