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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 0053893171500

Cone Part Number

 N/A M249749AH

Bore (d)

 N/A 10 in254 mm

Inner Ring Width (B)

 N/A 3.0000 in76.200 mm
Dynamic Radial Load Rating - 90M Revs (C90) 1 N/A 48700 lbf217000 N

Other Dimensions

Effective Center Location2 N/A -0.27 in-6.9 mm
Max Shaft Fillet Radius3 N/A 0.060 in1.5 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 10.63 in270 mm

Cage Location rel. to BF (Aa)

 N/A 0.09 in2.3 mm

Cage Location rel. to FF (Ab)

 N/A 0.24 in6.1 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)4 N/A 27700 lbf123000 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 Negative value indicates effective center inside cone backface.
  • 3 These maximum fillet radii will be cleared by the bearing corners.
  • 4 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.