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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lowers torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
Unit of Measure

Key Dimensions

Cone Part Number

 N/A EE299615

Cup Part Number

 N/A 299711X

Bore (d)

 N/A 61.5000 in1562.100 mm

O.D. (D)

 N/A 71.1250 in1806.575 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 1020000 lbf4540000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 265000 lbf1180000 N
e Factor3 N/A 0.47
K Factor4 N/A 1.23

Other Dimensions

Inner Ring Width (B)

 N/A 4.8750 in123.825 mm

Outer Ring Width (C)

 N/A 3.375 in85.725 mm
Effective Center Location5 N/A 7.5 in190.5 mm
Max Shaft Fillet Radius6 N/A 0.38 in9.65 mm
Max Housing Fillet Radius7 N/A 0.13 in3.3 mm

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 62.99 in1600 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 63.58 in1615 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 71.46 in1815.08 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 68.90 in1750.06 mm

Cage Location Relative to Backface (Aa)

 N/A 0.64 in16.3 mm

Cage Location Relative to Frontface (Ab)

 N/A 0.49 in12.4 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)8 N/A 215000 lbf955000 N

Static Radial Load Rating (C0)

 N/A 3770000 lbf16800000 N

Factors

G1 Factor

 N/A 69875.1

G2 Factor

 N/A 7454.3
Geometry Factor (Cg)9 N/A 0.575
  • 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 Negative value indicates effective center inside cone backface.
  • 6 These maximum fillet radii will be cleared by the bearing corners.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 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.
  • 9 Geometry constant for Lubrication Life Adjustment Factor a3l.