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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 LM767700

Cone Part Number

 N/A LM767749DGW

Cup Part Number

 N/A LM767710

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Note

 N/A This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.

Dimensions

d - Bore

 N/A 16.0000 in406.400 mm

D - Cup Outer Diameter

 N/A 21.5000 in546.1 mm

B - Double Cone Width

 N/A 5.4375 in138.113 mm

C - Cup Width

 N/A 2.1250 in53.975 mm

T - Bearing Width across Cups

 N/A 5.4374 in138.110 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 0.250 in6.4 mm

da - Cone Frontface Backing Diameter

 N/A 16.81 in427 mm

Db - Cup Backface Backing Diameter

 N/A 20.08 in510.00 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.22 in5.6 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 76400 lbf340000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 513000 lbf2280000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 133000 lbf592000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 62000 lbf276000 N

Factors

K - Factor7 N/A 1.23
e - ISO Factor8 N/A 0.47
Y1 - ISO Factor9 N/A 1.42
Y2 - ISO Factor10 N/A 2.12
Cg - Geometry Factor11 N/A 0.216

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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