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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

Design Units

 N/A Imperial

Cage Type

 N/A Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 363000 lbf1610000 N

C0 - Static Radial Rating

 N/A 527000 lbf2350000 N

Dimensions

d - Cone Bore

 N/A 11.0000 in279.4 mm

B - Double Cone Width

 N/A 7.2500 in184.150 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.380 in9.700 mm

da - Cone Frontface Backing Diameter

 N/A 12.64 in321 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.14 in3.6 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (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
Cg - Geometry Factor8 N/A 0.167
  • 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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