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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 lower 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
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Unit of Measure

Key Dimensions

Cone Part Number

 N/A 93787A

Cup Part Number

 N/A 93127CD

Bore (d)

 N/A 7.8720 in199.949 mm

O.D. (D)

 N/A 12.5 in317.5 mm

Width (T)

 N/A 6.8419 in173.784 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 270000 lbf1200000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 40200 lbf179000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)3 N/A 70100 lbf312000 N
e Factor 4 N/A 0.52
K Factor 5 N/A 1.12

Series

 N/A 93000

Other Dimensions

Outer Ring Width (C)

 N/A 4.375 in111.125 mm
Max Shaft Fillet Radius6 N/A 0.25 in6.4 mm
Max Housing Fillet Radius7 N/A 0.06 in1.5 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 9.09 in231 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 11.81 in299.97 mm

Cage Location Relative to Backface (Aa)

 N/A 0.87 in22.1 mm
Effective Center Location8 N/A -0.23 in-5.8 mm

Inner Ring Width (B)

 N/A 3.0460 in77.368 mm

Weight

 N/A 97.42 lb44.187 Kg

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 36100 lbf160000 N

Factors

Y1 Factor 10 N/A 1.29
Y2 Factor 11 N/A 1.92
Geometry Factor (Cg) 12 N/A 0.146
  • 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 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.
  • 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 These maximum fillet radii will be cleared by the bearing corners.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 Negative value indicates effective center inside cone backface.
  • 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.