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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 7000

Cone Part Number

 N/A 07100D

Cup Part Number

 N/A 07205X

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 1 in25.400 mm

D - Cup Outer Diameter

 N/A 2.0467 in51.986 mm

B - Double Cone Width

 N/A 1.4375 in36.513 mm

C - Cup Width

 N/A 0.5118 in13.000 mm

T - Bearing Width across Cups

 N/A 1.2816 in32.553 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.03 in0.800 mm
r - Cup Backface "To Clear" Radius2 N/A 0.06 in1.52 mm

da - Cone Frontface Backing Diameter

 N/A 1.18 in30 mm

Db - Cup Backface Backing Diameter

 N/A 1.75 in44.45 mm

Ab - Cage-Cone Frontface Clearance

 N/A -0.07 in-1.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 1700 lbf7550 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 11400 lbf50700 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 2950 lbf13100 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 1170 lbf5190 N

Factors

K - Factor7 N/A 1.45
e - ISO Factor8 N/A 0.4
Y1 - ISO Factor9 N/A 1.68
Y2 - ISO Factor10 N/A 2.5
Cg - Geometry Factor11 N/A 0.0509

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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