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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

Design Units

 N/A Imperial

Cage Type

 N/A Pin-Type
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 511000 lbf2270000 N

C0 - Static Radial Rating

 N/A 977000 lbf4340000 N

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 - Cone Bore

 N/A 14.5000 in368.3 mm

B - Double Cone Width

 N/A 7.3125 in185.738 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.13 in3.300 mm

da - Cone Frontface Backing Diameter

 N/A 15.5 in394 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.27 in6.9 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (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
Cg - Geometry Factor8 N/A 0.211
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.
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