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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

 LM67000

Cup Part Number

 LM67010

Design Units

 Imperial

Dimensions

D - Cup Outer Diameter

 2.3280 in59.131 mm

C - Cup Width

 0.4650 in11.811 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius1 0.050 in1.27 mm

Da - Cup Frontface Backing Diameter

 2.24 in55.90 mm

Db - Cup Backface Backing Diameter

 2.05 in52.07 mm

Factors

e - ISO Factor2 0.41
Y - ISO Factor3 1.46
Cg - Geometry Factor4 0.062
  • 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.