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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

Key Dimensions

UPC

 N/A 0053893311951

Bore (d)

 N/A 5.2500 in133.35 mm

Inner Ring Width (B)

 N/A 1.6875 in42.8625 mm
Dynamic Radial Load Rating - 90M Revs (C90) 1 N/A 16500 lbf73300 N
e Factor 2 N/A 0.32
K Factor 3 N/A 1.82

Other Dimensions

Effective Center Location4 N/A -0.16 in-4.1 mm
Max Shaft Fillet Radius5 N/A 0.140 in3.5 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 5.83 in148 mm

Cage Location rel. to BF (Aa)

 N/A 0.16875 in4.28625 mm

Cage Location rel. to FF (Ab)

 N/A -0.084375 in-2.143125 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)6 N/A 9060 lbf40300 N
  • 1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 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 Negative value indicates effective center inside cone backface.
  • 5 These maximum fillet radii will be cleared by the bearing corners.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.