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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 39500

Cone Part Number

 N/A 39585D

Cup Part Number

 N/A 39520

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A 39585D-90014 39585D-90015 39585D-90027 39585D-90046 39585D-90047 39585D-90051 39585D-90064 39585D-90065 39585D-90077 39585D-902A3

Dimensions

d - Bore

 N/A 2 1/2 in63.500 mm

D - Cup Outer Diameter

 N/A 4.4375 in112.713 mm

B - Double Cone Width

 N/A 2.375 in60.325 mm

C - Cup Width

 N/A 0.9375 in23.813 mm

T - Bearing Width across Cups

 N/A 2.3750 in60.325 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.03 in0.800 mm
r - Cup Backface "To Clear" Radius2 N/A 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 2.83 in72 mm

Db - Cup Backface Backing Diameter

 N/A 3.98 in101.09 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.13 in3.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 9730 lbf43300 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 65300 lbf291000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 16900 lbf75400 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 5650 lbf25100 N

Factors

K - Factor7 N/A 1.72
e - ISO Factor8 N/A 0.34
Y1 - ISO Factor9 N/A 1.99
Y2 - ISO Factor10 N/A 2.96

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 84.3

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 23.7
Cg - Geometry Factor11 N/A 0.107

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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