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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 LM761600

Cone Part Number

 N/A LM761648DW

Cup Part Number

 N/A LM761610

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A LM761648DW-90029

Dimensions

d - Bore

 N/A 13.4375 in341.313 mm

D - Cup Outer Diameter

 N/A 17.9960 in457.098 mm

B - Double Cone Width

 N/A 4.8125 in122.238 mm

C - Cup Width

 N/A 1.9375 in49.213 mm

T - Bearing Width across Cups

 N/A 4.8124 in122.235 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 14.13 in359 mm

Db - Cup Backface Backing Diameter

 N/A 17.01 in432.10 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.07 in1.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 53400 lbf237000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 358000 lbf1590000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 92900 lbf413000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 43200 lbf192000 N

Factors

K - Factor7 N/A 1.24
e - ISO Factor8 N/A 0.47
Y1 - ISO Factor9 N/A 1.43
Y2 - ISO Factor10 N/A 2.12
Cg - Geometry Factor11 N/A 0.187

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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