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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 LM654600

Cone Part Number

 N/A LM654644D

Cup Part Number

 N/A LM654611

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 11.0070 in279.578 mm

D - Cup Outer Diameter

 N/A 14.961 in380.009 mm

B - Double Cone Width

 N/A 4.6250 in117.475 mm

C - Cup Width

 N/A 1.9375 in49.213 mm

T - Bearing Width across Cups

 N/A 4.6250 in117.475 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2 N/A 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 11.69 in297 mm

Db - Cup Backface Backing Diameter

 N/A 14.02 in356.11 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.08 in2 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 42100 lbf187000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 283000 lbf1260000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 73300 lbf326000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 31100 lbf138000 N

Factors

K - Factor7 N/A 1.35
e - ISO Factor8 N/A 0.43
Y1 - ISO Factor9 N/A 1.56
Y2 - ISO Factor10 N/A 2.33
Cg - Geometry Factor11 N/A 0.174

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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