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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 738000

Cone Part Number

 N/A EE738101D

Design Units

 N/A Imperial

Cage Type

 N/A Pin-Type
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 319000 lbf1420000 N

C0 - Static Radial Rating

 N/A 525000 lbf2340000 N

Dimensions

d - Cone Bore

 N/A 10 in254 mm

B - Double Cone Width

 N/A 6.5000 in165.100 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.13 in3.300 mm

da - Cone Frontface Backing Diameter

 N/A 11.18 in284 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.22 in5.6 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 82700 lbf368000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 555000 lbf2470000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 144000 lbf640000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 50700 lbf226000 N

Factors

K - Factor7 N/A 1.63
Cg - Geometry Factor8 N/A 0.16
  • 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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