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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 19000

Cone Part Number

 N/A 19145D

Cup Part Number

 N/A 19283X

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 1 7/16 in36.513 mm

D - Cup Outer Diameter

 N/A 2.8346 in71.999 mm

B - Double Cone Width

 N/A 1.5000 in38.100 mm

C - Cup Width

 N/A 0.5625 in14.288 mm

T - Bearing Width across Cups

 N/A 1.5391 in39.093 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 0.08 in2.03 mm

da - Cone Frontface Backing Diameter

 N/A 1.67 in42.5 mm

Db - Cup Backface Backing Diameter

 N/A 2.44 in61.98 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.09 in2.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 2960 lbf13100 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 19800 lbf88300 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 5150 lbf22900 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 2250 lbf10000 N

Factors

K - Factor7 N/A 1.31
e - ISO Factor8 N/A 0.44
Y1 - ISO Factor9 N/A 1.52
Y2 - ISO Factor10 N/A 2.26
Cg - Geometry Factor11 N/A 0.0694

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.