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Unit of Measure

Key Dimensions

Cone Part Number

 N/A KHM89443

Cup Part Number

 N/A KHM89411

Bore (d)

 N/A 1 5/16 in33.337 mm

O.D. (D)

 N/A 3 in76.2 mm

Width (T)

 N/A 1.1563 in29.370 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 24800 lbf110000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 6440 lbf28600 N
e Factor3 N/A 0.55
K Factor4 N/A 1.07
Y Factor 5 N/A 1.1

Other Dimensions

Weight

 N/A 1.5 lb0.7 Kg

Inner Ring Width (B)

 N/A 1.1250 in28.575 mm

Outer Ring Width (C)

 N/A 0.9063 in23.020 mm
Effective Center Location6 N/A -0.22 in-5.6 mm
Max Shaft Fillet Radius7 N/A 0.030 in0.8 mm
Max Housing Fillet Radius8 N/A 0.03 in0.8 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 1.75 in44.5 mm

Shaft Backing Shoulder Dia. - Backface (db)

 N/A 1.83 in46.5 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 2.91 in73.90 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 2.56 in65.02 mm

Cage Location rel. to BF (Aa)

 N/A 0.06 in1.5 mm

Cage Location rel. to FF (Ab)

 N/A 0.08 in2 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 6020 lbf26800 N

Static Radial Load Rating (C0)

 N/A 26700 lbf119000 N

Factors

G1 Factor

 N/A 28.9

G2 Factor

 N/A 13.1
Geometry Factor (Cg)10 N/A 0.0883
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.