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 05185

O.D. (D)

 N/A 1.8504 in47 mm

Outer Ring Width (C)

 N/A 0.4375 in11.113 mm
e Factor 1 N/A 0.36
K Factor 2 N/A 1.64
Y Factor 3 N/A 1.68

Other Dimensions

Weight

 N/A 0.10 Kg0.3 lb
Max Housing Fillet Radius4 N/A 0.050 in1.27 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 1.69 in42.93 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 1.59 in40.39 mm

Factors

G1 Factor

 N/A 5.8

G2 Factor

 N/A 5.55
Geometry Factor (Cg)5 N/A 0.0448
  • 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.