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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.
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Unit of Measure

Specifications

Series

 N/A H239600

Cone Part Number

 N/A H239649D

Cup Part Number

 N/A H239610

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A H239649D-90020 H239649D-90028 H239649D-90032 H239649D-90051 H239649D-902A6

Dimensions

d - Bore

 N/A 7.3750 in187.325 mm

D - Cup Outer Diameter

 N/A 12.5970 in319.964 mm

B - Double Cone Width

 N/A 6.3750 in161.925 mm

C - Cup Width

 N/A 2.5625 in65.088 mm

T - Bearing Width across Cups

 N/A 6.6250 in168.275 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 8.23 in209 mm

Db - Cup Backface Backing Diameter

 N/A 11.54 in293.12 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.14 in3.6 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 61100 lbf272000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 410000 lbf1830000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 106000 lbf473000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 33400 lbf148000 N

Factors

K - Factor7 N/A 1.83
e - ISO Factor8 N/A 0.32
Y1 - ISO Factor9 N/A 2.12
Y2 - ISO Factor10 N/A 3.15

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 906

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 90.3
Cg - Geometry Factor11 N/A 0.124

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.