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
Unit of Measure

Key Dimensions

Cone Part Number

 N/A 67791

Cup Part Number

 N/A 67720DW

Bore (d)

 N/A 7.0000 in177.800 mm

O.D. (D)

 N/A 9.7500 in247.650 mm

Width (T)

 N/A 4.0624 in103.185 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 159000 lbf705000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 23600 lbf105000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)3 N/A 41100 lbf183000 N
e Factor 4 N/A 0.44
K Factor 5 N/A 1.33

Note

 N/A This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.

Other Dimensions

Weight

 N/A 30.74 lb13.943 Kg

Outer Ring Width (C)

 N/A 3.6875 in93.663 mm
Max Shaft Fillet Radius6 N/A 0.410 in10.400 mm
Max Housing Fillet Radius7 N/A 0.03 in0.8 mm

Shaft Backing Shoulder Dia. - Backface (db)

 N/A 8.19 in208 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 9.49 in241.00 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)8 N/A 17800 lbf79000 N

Static Radial Load Rating (CO)

 N/A 175000 lbf779000 N

Factors

Y1 Factor 9 N/A 1.54
Y2 Factor 10 N/A 2.29
Geometry Factor (Cg) 11 N/A 0.121
  • 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 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 Geometry constant for Lubrication Life Adjustment Factor a3l.