Menu
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Unit of Measure

Specifications

Series

 N/A H239600

Cone Part Number

 N/A H239640

Cup Part Number

 N/A H239612CD

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A H239640-90059 H239640-90063 H239640-90066 H239640-90068 H239640-90069 H239640-90070 H239640-90071 H239640-90072 H239640-90073 H239640-90076 H239640-902A1 H239640-902A2

Dimensions

d - Bore

 N/A 7 in177.800 mm

D - Cup Outer Diameter

 N/A 12.6250 in320.675 mm

B - Cone Width

 N/A 3.3750 in85.725 mm

C - Double Cup Width

 N/A 5.4375 in138.113 mm

T - Bearing Width across Cones

 N/A 7.3125 in185.738 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.14 in3.600 mm
r - Cup Backface "To Clear" Radius2 N/A 0.06 in1.5 mm

db - Cone Backface Backing Diameter

 N/A 7.95 in202 mm

Da - Cup Frontface Backing Diameter

 N/A 11.85 in300.74 mm

Aa - Cage-Cone Backface Clearance

 N/A 0.42 in10.7 mm
a - Effective Center Location3 N/A -0.88 in-22.4 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 N/A 61100 lbf272000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 N/A 410000 lbf1830000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 N/A 106000 lbf473000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 33400 lbf148000 N

Factors

K - Factor8 N/A 1.83
e - ISO Factor9 N/A 0.32
Y1 - ISO Factor10 N/A 2.12
Y2 - ISO Factor11 N/A 3.15
Cg - Geometry Factor12 N/A 0.124
  • 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 Negative value indicates effective center inside cone backface.
  • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 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.
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 Geometry constant for Lubrication Life Adjustment Factor a3l.
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.