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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 M652900

Cone Part Number

 N/A M652949DW

Cup Part Number

 N/A M652911

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A M652949DW-902A1 M652949DW-902A2

Dimensions

d - Bore

 N/A 11.0000 in279.4 mm

D - Cup Outer Diameter

 N/A 15.5 in393.7 mm

B - Double Cone Width

 N/A 5.0000 in127.000 mm

C - Cup Width

 N/A 2.0000 in50.800 mm

T - Bearing Width across Cups

 N/A 5.0000 in127 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.080 in2 mm
r - Cup Backface "To Clear" Radius2 N/A 0.250 in6.4 mm

da - Cone Frontface Backing Diameter

 N/A 11.57 in294 mm

Db - Cup Backface Backing Diameter

 N/A 14.49 in368.00 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.17 in4.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 69200 lbf308000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 465000 lbf2070000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 121000 lbf536000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 50900 lbf226000 N

Factors

K - Factor7 N/A 1.36
e - ISO Factor8 N/A 0.43
Y1 - ISO Factor9 N/A 1.57
Y2 - ISO Factor10 N/A 2.34
Cg - Geometry Factor11 N/A 0.161

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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