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.

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Unit of Measure

Key Dimensions

Cup Part Number

 N/A M252310X

O.D. (D)

 N/A 15.0000 in381.000 mm

Outer Ring Width (C)

 N/A 2.2500 in57.150 mm
e Factor 1 N/A 0.33
Y Factor 2 N/A 1.8

Other Dimensions

Weight

 N/A 25.2 Kg55.60 lb
Max Housing Fillet Radius3 N/A 0.130 in3.30 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 14.33 in364.00 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 14.02 in356.11 mm

Factors

Geometry Factor (Cg)4 N/A 0.159
  • 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 maximum fillet radii will be cleared by the bearing corners.
  • 4 Geometry constant for Lubrication Life Adjustment Factor a3l.