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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

 N/A L540000

Cup Part Number

 N/A KL540010

Design Units

 N/A Imperial

Dimensions

D - Cup Outer Diameter

 N/A 10.0000 in254.000 mm

C - Cup Width

 N/A 0.8438 in21.433 mm

Abutment and Fillet Dimensions

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

Da - Cup Frontface Backing Diameter

 N/A 9.80 in246.90 mm

Db - Cup Backface Backing Diameter

 N/A 9.57 in243.08 mm

Factors

e - ISO Factor2 N/A 0.4
Y - ISO Factor3 N/A 1.51
Cg - Geometry Factor4 N/A 0.137
  • 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.