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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 L163100

Cone Part Number

 N/A L163149

Cup Part Number

 N/A L163110CD

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A L163149-90050 L163149-90051 L163149-90052 L163149-90054 L163149-90055 L163149-90056 L163149-90057 L163149-90058 L163149-90059 L163149-90065 L163149-90066 L163149-902A3 L163149-902A4 L163149-902A5 L163149-902A6 L163149-902A7 L163149-902A9

Dimensions

d - Bore

 N/A 14 in355.6 mm

D - Cup Outer Diameter

 N/A 17.5 in444.5 mm

B - Cone Width

 N/A 2.375 in60.325 mm

C - Double Cup Width

 N/A 4.375 in111.125 mm

T - Bearing Width across Cones

 N/A 5.3749 in136.522 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 14.72 in374 mm

Da - Cup Frontface Backing Diameter

 N/A 17.04 in430.02 mm

Aa - Cage-Cone Backface Clearance

 N/A 0.17 in4.3 mm
a - Effective Center Location3 N/A 0.28 in7.1 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 N/A 42700 lbf190000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 N/A 287000 lbf1280000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 N/A 74400 lbf331000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7 N/A 22500 lbf100000 N

Factors

K - Factor8 N/A 1.9
e - ISO Factor9 N/A 0.31
Y1 - ISO Factor10 N/A 2.2
Y2 - ISO Factor11 N/A 3.27
Cg - Geometry Factor12 N/A 0.184
  • 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.
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