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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.
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Unit of Measure

Other Dimensions

Weight

 N/A 28.10 Kg61.9 lb

Inner Ring Width (B)

 N/A 4.5625 in115.888 mm
Max Shaft Fillet Radius1 N/A 0.06 in1.5 mm

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 9.25 in235 mm

Cage Location Relative to Frontface (Ab) 

 N/A 0.14 in3.6 mm

Key Dimensions

Series

 N/A M244200

Cone Part Number

 N/A M244249DGW

Bore (d)

 N/A 8.6875 in220.663 mm
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 40500 lbf180000 N
Dynamic Radial Load Rating - 1M Revs (C1) 3 N/A 156000 lbf695000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row) 4 N/A 70500 lbf314000 N
K Factor 5 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.

Ratings

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)6 N/A 272000 lbf1210000 N

Static Radial Load Rating (C0)

 N/A 308000 lbf1370000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 23100 lbf103000 N

Factors

Geometry Factor (Cg)8 N/A 0.136
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 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 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 4 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.
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.