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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 722000

Cone Part Number

 N/A EE722112D

Cup Part Number

 N/A 722185

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 11 in279.4 mm

D - Cup Outer Diameter

 N/A 18.5000 in469.900 mm

B - Double Cone Width

 N/A 7.2500 in184.150 mm

C - Cup Width

 N/A 2.75 in69.85 mm

T - Bearing Width across Cups

 N/A 7.4999 in190.497 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.380 in9.700 mm
r - Cup Backface "To Clear" Radius2 N/A 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 12.64 in321 mm

Db - Cup Backface Backing Diameter

 N/A 16.93 in430.02 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.14 in3.6 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 94000 lbf418000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 631000 lbf2810000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 164000 lbf728000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 60800 lbf271000 N

Factors

K - Factor7 N/A 1.55
e - ISO Factor8 N/A 0.38
Y1 - ISO Factor9 N/A 1.79
Y2 - ISO Factor10 N/A 2.66
Cg - Geometry Factor11 N/A 0.167

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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