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.

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Unit of Measure

Key Dimensions

Cone Part Number

 N/A HM252349D

Bore (d)

 N/A 10.2500 in260.350 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 348000 lbf1550000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 90100 lbf401000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row) 3 N/A 157000 lbf698000 N
K Factor 4 N/A 1.76

Note

 N/A This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.

Other Dimensions

Weight

 N/A 84.500 Kg186.300 lb

Inner Ring Width (B)

 N/A 6.0000 in152.400 mm
Max Shaft Fillet Radius5 N/A 0.25 in6.4 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 11.46 in291 mm

Cage Location rel. to FF (Ab)

 N/A 0.1 in2.5 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)6 N/A 51300 lbf228000 N
Dynamic Radial Load Rating 2-Row - 1M Revs (C1)7 N/A 605000 lbf2690000 N

Static Radial Load Rating (C0)

 N/A 475000 lbf2110000 N

Factors

Geometry Factor (Cg)8 N/A 0.15
  • 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.