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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 67300

Cone Part Number

 N/A 67388D

Cup Part Number

 N/A 67320

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 5 in127 mm

D - Cup Outer Diameter

 N/A 8 in203.2 mm

B - Double Cone Width

 N/A 3.6250 in92.075 mm

C - Cup Width

 N/A 1.5000 in38.100 mm

T - Bearing Width across Cups

 N/A 3.6250 in92.075 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2 N/A 0.130 in3.30 mm

da - Cone Frontface Backing Diameter

 N/A 5.51 in140 mm

Db - Cup Backface Backing Diameter

 N/A 7.20 in182.88 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.09 in2.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 21400 lbf95300 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 144000 lbf640000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 37300 lbf166000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 12600 lbf56100 N

Factors

K - Factor7 N/A 1.7
e - ISO Factor8 N/A 0.34
Y1 - ISO Factor9 N/A 1.96
Y2 - ISO Factor10 N/A 2.92

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 384

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 70.1
Cg - Geometry Factor11 N/A 0.122

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.