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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 325000

Cone Part Number

 N/A EE325296D

Cup Part Number

 N/A 325420

Design Unit

 N/A Inch

Cage Material

 N/A Pin-Type

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 EE325296D-90013 EE325296D-904A3

Dimensions

d - Bore

 N/A 29.5000 in749.3 mm

D - Cup Outer Diameter

 N/A 42.0000 in1066.800 mm

B - Double Cone Width

 N/A 13.7500 in349.250 mm

C - Cup Width

 N/A 6.0000 in152.400 mm

T - Bearing Width across Cups

 N/A 14.2500 in361.950 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.370 in9.5 mm
r - Cup Backface "To Clear" Radius2 N/A 0.5 in12.70 mm

da - Cone Frontface Backing Diameter

 N/A 31.75 in806.45 mm

Db - Cup Backface Backing Diameter

 N/A 39.21 in995.90 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.43 in10.92 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 415000 lbf1850000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 2790000 lbf12400000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 723000 lbf3220000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 234000 lbf1040000 N

Factors

K - Factor7 N/A 1.77
e - ISO Factor8 N/A 0.33
Y1 - ISO Factor9 N/A 2.05
Y2 - ISO Factor10 N/A 3.05

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 21200

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 980
Cg - Geometry Factor11 N/A 0.355

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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