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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 220000

Cone Part Number

 N/A EE220975DW

Cup Part Number

 N/A 221575

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A EE220975DW-902A1 EE220975DW-902A2

Dimensions

d - Bore

 N/A 9.7500 in247.650 mm

D - Cup Outer Diameter

 N/A 15.7500 in400.050 mm

B - Double Cone Width

 N/A 4.5000 in114.300 mm

C - Cup Width

 N/A 1.8125 in46.038 mm

T - Bearing Width across Cups

 N/A 4.6873 in119.057 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 in6.35 mm

da - Cone Frontface Backing Diameter

 N/A 10.67 in271 mm

Db - Cup Backface Backing Diameter

 N/A 14.41 in366.01 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.27 in6.9 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 51100 lbf227000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 343000 lbf1530000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 88900 lbf396000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 34500 lbf153000 N

Factors

K - Factor7 N/A 1.48
e - ISO Factor8 N/A 0.39
Y1 - ISO Factor9 N/A 1.71
Y2 - ISO Factor10 N/A 2.55
Cg - Geometry Factor11 N/A 0.15

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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