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TDI bearings have a one-piece double inner race and two single outer races and are typically supplied complete with an outer race spacer as a pre-set assembly. The bearing can be used at fixed positions on rotation shaft applications. For rotating housing application it can be used to float on the stationary shaft.
Unit of Measure

Key Dimensions

Cone Part Number

 N/A EE480181D

Bore (d)

 N/A 18.0000 in457.2 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 1390000 lbf6190000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 361000 lbf1600000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row) 3 N/A 628000 lbf2790000 N
K Factor 4 N/A 1.62

Other Dimensions

Weight

 N/A 923.7 Kg2036.4 lb

Inner Ring Width (B)

 N/A 14.5000 in368.300 mm
Max Shaft Fillet Radius5 N/A 0.25 in6.4 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 20.31 in516 mm

Cage Location rel. to FF (Ab)

 N/A -0.18 in-4.57 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)6 N/A 222000 lbf989000 N
Dynamic Radial Load Rating 2-Row - 1M Revs (C1)7 N/A 2420000 lbf10800000 N

Static Radial Load Rating (C0)

 N/A 1980000 lbf8790000 N

Factors

G1 Factor

 N/A 7380

G2 Factor

 N/A 343
Geometry Factor (Cg)8 N/A 0.257
  • 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 maximum fillet radii will be cleared by the bearing corners.
  • 6 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.
  • 7 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.