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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 42000

Cone Part Number

 N/A 42362D

Cup Part Number

 N/A 42590

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 3.6250 in92.075 mm

D - Cup Outer Diameter

 N/A 5.9045 in149.974 mm

B - Double Cone Width

 N/A 2.2812 in57.942 mm

C - Cup Width

 N/A 0.9688 in24.608 mm

T - Bearing Width across Cups

 N/A 2.4999 in63.497 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 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 4.09 in104 mm

Db - Cup Backface Backing Diameter

 N/A 5.31 in134.87 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 9490 lbf42200 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 63800 lbf284000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 16500 lbf73500 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 8000 lbf35600 N

Factors

K - Factor7 N/A 1.19
e - ISO Factor8 N/A 0.49
Y1 - ISO Factor9 N/A 1.37
Y2 - ISO Factor10 N/A 2.04
Cg - Geometry Factor11 N/A 0.139

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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