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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 X30209M

Cup Part Number

 N/A Y30209M

Bore (d)

 N/A 45.000 mm1.7717 in

O.D. (D)

 N/A 85.000 mm3.3465 in

Width (T)

 N/A 20.750 mm0.8169 in
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 94800 N21300 lbf
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 24600 N5520 lbf
e Factor 3 N/A 0.4
K Factor 4 N/A 1.44

Series

 N/A 30209M
Y Factor 5 N/A 1.48

Other Dimensions

Inner Ring Width (B)

 N/A 19.000 mm0.7480 in

Outer Ring Width (C)

 N/A 16 mm0.6299 in
Effective Center Location6 N/A -2.5 mm-0.1 in
Max Shaft Fillet Radius7 N/A 1.52 mm0.06 in
Max Housing Fillet Radius8 N/A 1.52 mm0.06 in

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 53 mm2.09 in

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 55 mm2.17 in

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 80.77 mm3.18 in

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 75.95 mm2.99 in

Cage Location Relative to Backface (Aa)

 N/A 0.5 mm0.02 in

Cage Location Relative to Frontface (Ab) 

 N/A 4.3 mm0.17 in

Weight

 N/A 0.5 Kg1.1 lb

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 17000 N3830 lbf

Static Radial Load Rating (C0)

 N/A 89000 N20000 lbf

Factors

G1 Factor

 N/A 28.3

G2 Factor

 N/A 16.3
Geometry Factor (Cg)10 N/A 0.0789
  • 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.