The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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 0.4 Kg0.8 lb

C - Cup Width

 N/A 0.625 in15.875 mm
Max Housing Fillet Radius1 N/A 0.08 in2.03 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 2.44 in61 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 2.09 in53.09 mm

Key Dimensions

Series

 N/A 23000

Cup Part Number

 N/A 23255X

O.D. (D)

 N/A 2.5591 in65.001 mm
e Factor 2 N/A 0.73

Factors

Geometry Factor (Cg)3 N/A 0.07
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.