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 LM272249DW

Bore (d)

 N/A 19.0000 in482.600 mm
Dynamic Radial Load Rating - 1M Revs (C1) 1 N/A 380000 lbf1690000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 98600 lbf439000 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row) 3 N/A 172000 lbf764000 N
K Factor 4 N/A 1.76

Other Dimensions

Weight

 N/A 123.30 Kg271.80 lb

Inner Ring Width (B)

 N/A 6.25 in158.75 mm
Max Shaft Fillet Radius5 N/A 0.13 in3.300 mm

Shaft Backing Shoulder Dia. - Frontface (da)

 N/A 19.84 in504 mm

Cage Location rel. to FF (Ab)

 N/A 0.23 in5.8 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)6 N/A 56100 lbf250000 N
Dynamic Radial Load Rating 2-Row - 1M Revs (C1)7 N/A 662000 lbf2950000 N

Static Radial Load Rating (C0)

 N/A 921000 lbf4100000 N

Factors

G1 Factor

 N/A 6040

G2 Factor

 N/A 665
Geometry Factor (Cg)8 N/A 0.233
  • 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.