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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 LM654640D

Design Units

 N/A Imperial

Cage Type

 N/A Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 162000 lbf722000 N

C0 - Static Radial Rating

 N/A 387000 lbf1720000 N

Dimensions

d - Cone Bore

 N/A 10.7500 in273.050 mm

B - Double Cone Width

 N/A 4.6250 in117.475 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.06 in1.5 mm

da - Cone Frontface Backing Diameter

 N/A 11.54 in293 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.08 in2 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (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
Cg - Geometry Factor8 N/A 0.174
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.
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