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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 NA48290SW

Cup Part Number

 N/A 48220D

Bore (d)

 N/A 5 in127 mm

O.D. (D)

 N/A 7.1875 in182.563 mm

Width (T)

 N/A 3.6874 in93.66 mm
Dynamic Radial Load Rating - 90M Revs (C90) 1 N/A 15600 lbf69400 N
e Factor 2 N/A 0.31
K Factor 3 N/A 1.91

Series

 N/A 48200

Other Dimensions

Outer Ring Width (C)

 N/A 2.875 in73.025 mm
Max Shaft Fillet Radius4 N/A 0.14 in3.556 mm
Max Housing Fillet Radius5 N/A 0.03 in0.8 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 5.55 in141 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 6.95 in176.02 mm

Cage Location Relative to Backface (Aa)

 N/A 0.22 in5.6 mm
Effective Center Location6 N/A -0.37 in-9.4 mm

Inner Ring Width (B)

 N/A 1.8437 in46.83 mm

Weight

 N/A 16.84 lb

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)7 N/A 8160 lbf36300 N

Factors

Y1 Factor 8 N/A 2.21
Y2 Factor 9 N/A 3.29
  • 1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These maximum fillet radii will be cleared by the bearing corners.
  • 5 These maximum fillet radii will be cleared by the bearing corners.
  • 6 Negative value indicates effective center inside cone backface.
  • 7 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.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.