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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

Cone Part Number

 N/A 13685

Cup Part Number

 N/A 13621

Seal Part Number

 N/A 13600LA

Bore (d)

 N/A 1 1/2 in38.1 mm

O.D. (D)

 N/A 2.7170 in69.012 mm

Width (T)

 N/A 0.75 in19.05 mm
Dynamic Radial Load Rating - 90M Revs (C90) 1 N/A 3920 lbf17400 N
Dynamic Radial Load Rating - 1M Revs (C1) 2 N/A 15100 lbf67200 N
e Factor 3 N/A 0.4
Y Factor 4 N/A 1.49
K Factor 5 N/A 1.45

Other Dimensions

Weight

 N/A 0.62 lb0.28 Kg

Inner Ring Width (B)

 N/A 0.7500 in19.050 mm

Outer Ring Width (C)

 N/A 0.5938 in15.083 mm

Total Width (T1)

 N/A 0.825 in20.96 mm
Effective Center Location6 N/A -0.12 in-3 mm
Max Shaft Fillet Radius7 N/A 0.140 in3.600 mm
Max Housing Fillet Radius8 N/A 0.090 in2.29 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 1.75 in44.5 mm

Shaft Backing Shoulder Dia. - Backface (db)

 N/A 2.01 in51 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 2.60 in66.00 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 2.40 in60.96 mm

Cage Location rel. to BF (Aa)

 N/A 0.05 in1.3 mm

Cage Location rel. to FF (Ab)

 N/A 0.02 in0.5 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 2700 lbf12000 N

Static Radial Load Rating (C0)

 N/A 15300 lbf67900 N

Factors

Y1 Factor 10 N/A 1.68
Y2 Factor 11 N/A 2.5

G1 Factor

 N/A 20.7

G2 Factor

 N/A 10.9
Geometry Factor (Cg)12 N/A 0.0713
  • 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 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 Negative value indicates effective center inside cone backface.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 These maximum fillet radii will be cleared by the bearing corners.
  • 9 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.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 Geometry constant for Lubrication Life Adjustment Factor a3l.