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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 230000

Cone Part Number

 N/A EE231475D

Cup Part Number

 N/A 231975

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.

Related Assembly Number(s)

 N/A EE231475D-90081 EE231475D-902A1 EE231475D-902A3

Dimensions

d - Bore

 N/A 14.7500 in374.650 mm

D - Cup Outer Diameter

 N/A 19.7500 in501.650 mm

B - Double Cone Width

 N/A 4.6250 in117.475 mm

C - Cup Width

 N/A 2.0000 in50.800 mm

T - Bearing Width across Cups

 N/A 4.9999 in126.997 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2 N/A 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 15.47 in393 mm

Db - Cup Backface Backing Diameter

 N/A 18.58 in471.93 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.17 in4.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 61300 lbf273000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 412000 lbf1830000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 107000 lbf475000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 46200 lbf206000 N

Factors

K - Factor7 N/A 1.33
e - ISO Factor8 N/A 0.44
Y1 - ISO Factor9 N/A 1.53
Y2 - ISO Factor10 N/A 2.28
Cg - Geometry Factor11 N/A 0.187

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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