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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
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Unit of Measure

Key Dimensions

Cone Part Number

 N/A JL724348

Cup Part Number

 N/A JL724314-B

Bore (d)

 N/A 120 mm4.7244 in

O.D. (D)

 N/A 170 mm6.6929 in

Width (T)

 N/A 11.350 mm4.468 in
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 145000 N32600 lbf
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 37600 N8450 lbf
e Factor3 N/A 0.46
K Factor 4 N/A 1.27

Series

 N/A L724300
Y Factor 5 N/A 1.31

Other Dimensions

Inner Ring Width (B)

 N/A 25.4 mm1 in

Outer Ring Width (C)

 N/A 19.05 mm0.75 in

Outer Ring Flange O.D.(D1)

 N/A 177.000 mm6.9685 in

Outer Ring Flange Width (C2)

 N/A 5.000 mm0.1969 in
Effective Center Location6 N/A 7.9 mm0.31 in
Max Shaft Fillet Radius7 N/A 3.3 mm0.13 in

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 127 mm5 in

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 132 mm5.2 in

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 164.59 mm6.48 in
Max Housing Fillet Radius8 N/A 3.3 mm0.13 in

Cage Location Relative to Frontface (Ab) 

 N/A 2 mm0.08 in

Cage Location Relative to Backface (Aa)

 N/A 2 mm0.08 in

Weight

 N/A 1.7 Kg3.7 lb

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 29500 N6640 lbf

Static Radial Load Rating (C0)

 N/A 231000 N52000 lbf

Factors

G1 Factor 

 N/A 170

G2 Factor 

 N/A 70.6
Geometry Factor (Cg) 10 N/A 0.147
  • 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.