Montage of Timken Bearing Products
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The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.
Unit of Measure

Specifications

Series

N/A 33000

Cone Part Number

N/A 33262

Cup Part Number

N/A 33462D

Design Units

N/A Imperial

Bearing Weight

N/A 6.43 lb2.915 Kg

Cage Type

N/A Stamped Steel

Ab - Cage-Cone Frontface Clearance

N/A 0.07 in1.8 mm

Dimensions

d - Bore

N/A 2.6250 in66.675 mm

D - Cup Outer Diameter

N/A 4.6250 in117.475 mm

B - Cone Width

N/A 1.1875 in30.163 mm

C - Double Cup Width

N/A 2.125 in53.975 mm

T - Bearing Width across Cones

N/A 2.6249 in66.672 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.14 in3.600 mm
r - Cup Frontface "To Clear" Radius2 N/A 0.03 in0.8 mm

db - Cone Backface Backing Diameter

N/A 3.19 in81.00 mm

Da - Cup Frontface Backing Diameter

N/A 4.45 in112.01 mm

Aa - Cage-Cone Backface Clearance

N/A 0.07 in1.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 8060 lbf35900 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 54200 lbf241000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 14000 lbf62400 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 6020 lbf26800 N

Factors

K - Factor7 N/A 1.34
e - ISO Factor8 N/A 0.95
Y1 - ISO Factor9 N/A 0.71 1.06
Y2 - ISO Factor10 N/A 1.06
G1 - Heat Generation Factor (Roller-Raceway)11 N/A 84.2

G2 - Heat Generation Factor (Rib-Roller End)

N/A 25.9
Cg - Geometry Factor12 N/A 0.116
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 Geometry constant for Lubrication Life Adjustment Factor a3l.