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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

Specifications

Series

 14000

Cup Part Number

 14282

Design Units

 Imperial

Dimensions

D - Cup Outer Diameter

 2.8345 in71.996 mm

C - Cup Width

 0.5918 in15.032 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1 0.06 in1.52 mm

Da - Cup Frontface Backing Diameter

 2.60 in66.00 mm

Db - Cup Backface Backing Diameter

 2.44 in61.98 mm

Factors

e - ISO Factor2 0.38
Y - ISO Factor3 1.57
Cg - Geometry Factor4 0.0668
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.