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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

UPC

 N/A 0013992357601

Cone Part Number

 N/A HM237542D

Bore (d)

 N/A 6.8750 in174.625 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 185000 lbf824000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 48000 lbf214000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row) 3 N/A 83600 lbf372000 N
K Factor 4 N/A 1.83

Other Dimensions

Weight

 N/A 30.9 Kg68.100 lb

Inner Ring Width (B)

 N/A 4.8750 in123.825 mm
Max Shaft Fillet Radius5 N/A 0.060 in1.5 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 7.52 in191 mm

Cage Location rel. to FF (Ab)

 N/A 0.2 in5.1 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)6 N/A 26200 lbf117000 N
Dynamic Radial Load Rating 2-Row - 1M Revs (C1)7 N/A 322000 lbf1430000 N

Static Radial Load Rating (C0)

 N/A 278000 lbf1240000 N

Factors

G1 Factor

 N/A 751

G2 Factor

 N/A 101
Geometry Factor (Cg)8 N/A 0.117
  • 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.