3D CAD and 2D Drawings

Find and download 3D CAD and 2D drawings for key Timken products.

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.

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Unit of Measure

Specifications

Series

N/A HH249900

Cone Part Number

N/A HH249949D

Cup Part Number

N/A HH249910

Design Units

N/A Imperial

Bearing Weight

N/A 253.90 lb115.20 Kg

Cage Type

N/A Pin-Type

Aa - Cage-Cone Backface Clearance

N/A 0 in0 mm

Dimensions

d - Bore

N/A 9.7500 in247.650 mm

D - Cup Outer Diameter

N/A 16.0000 in406.400 mm

B - Double Cone Width

N/A 8.6250 in219.075 mm

C - Cup Width

N/A 3.6875 in93.663 mm

T - Bearing Width across Cups

N/A 8.5000 in215.900 mm

Abutment and Fillet Dimensions

R - Cone Frontface "To Clear" Radius1 N/A 0.130 in3.30 mm
r - Cup Backface "To Clear" Radius2 N/A 0.250 in6.40 mm

da - Cone Frontface Backing Diameter

N/A 10.94 in277.90 mm

Db - Cup Backface Backing Diameter

N/A 14.41 in366.00 mm

Ab - Cage-Cone Frontface Clearance

N/A 0.24 in6.1 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 115000 lbf509000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 769000 lbf3420000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 199000 lbf887000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 65200 lbf290000 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 0.175

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 for a single-row, C90(2) is the two-row radial value.
  • 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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