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

O.D. (D)

 N/A 47 mm1.8504 in

Cup Part Number

 N/A YAA32005X
e Factor 1 N/A 0.43
K Factor 2 N/A 1.36
Y Factor 3 N/A 1.39

Other Dimensions

Weight

 N/A 0.10 Kg0.2 lb

C - Cup Width

 N/A 11.500 mm0.4528 in
Max Housing Fillet Radius4 N/A 1.02 mm0.04 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 44.50 mm1.79 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 40.89 mm1.61 in

Factors

G1 Factor

 N/A 8.6

G2 Factor

 N/A 8.7
Geometry Factor (Cg)5 N/A 0.0546
  • 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.