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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

Specifications

Series

 N/A 129000

Cone Part Number

 N/A EE129119DG

Cup Part Number

 N/A 129172

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

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.

Dimensions

d - Bore

 N/A 11.8100 in299.974 mm

D - Cup Outer Diameter

 N/A 17.246 in438.048 mm

B - Double Cone Width

 N/A 5.3125 in134.938 mm

C - Cup Width

 N/A 2.1250 in53.975 mm

T - Bearing Width across Cups

 N/A 5.2499 in133.347 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.13 in3.300 mm
r - Cup Backface "To Clear" Radius2 N/A 0.190 in4.83 mm

da - Cone Frontface Backing Diameter

 N/A 12.64 in321 mm

Db - Cup Backface Backing Diameter

 N/A 15.98 in405.89 mm

Ab - Cage-Cone Frontface Clearance

 N/A -0.02 in-0.5 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 52200 lbf232000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 351000 lbf1560000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 91000 lbf405000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 37200 lbf165000 N

Factors

K - Factor7 N/A 1.4
e - ISO Factor8 N/A 0.42
Y1 - ISO Factor9 N/A 1.62
Y2 - ISO Factor10 N/A 2.42
Cg - Geometry Factor11 N/A 0.171

Spacer

Note

 N/A Spacer shows standard nominal .01 radii, actual bearing may vary
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 5 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.
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 Geometry constant for Lubrication Life Adjustment Factor a3l.
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