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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 HM265000

Cone Part Number

 N/A HM265049DGW

Cup Part Number

 N/A HM265010

Design Unit

 N/A Inch

Cage Material

 N/A Pin-Type

Note

 N/A This part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.

Dimensions

d - Bore

 N/A 14.5000 in368.3 mm

D - Cup Outer Diameter

 N/A 20.6250 in523.875 mm

B - Double Cone Width

 N/A 7.3125 in185.738 mm

C - Cup Width

 N/A 3.1250 in79.375 mm

T - Bearing Width across Cups

 N/A 7.3124 in185.735 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.13 in3.300 mm
r - Cup Backface "To Clear" Radius2 N/A 0.250 in6.35 mm

da - Cone Frontface Backing Diameter

 N/A 15.5 in394 mm

Db - Cup Backface Backing Diameter

 N/A 19.17 in486.92 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 132000 lbf589000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 890000 lbf3960000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 231000 lbf1030000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 75400 lbf335000 N

Factors

K - Factor7 N/A 1.76
e - ISO Factor8 N/A 0.33
Y1 - ISO Factor9 N/A 2.03
Y2 - ISO Factor10 N/A 3.02
Cg - Geometry Factor11 N/A 0.211

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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