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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 LM451300

Cone Part Number

 N/A LM451349DW

Cup Part Number

 N/A LM451310V

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 10 1/2 in266.7 mm

D - Cup Outer Diameter

 N/A 14 in355.6 mm

B - Double Cone Width

 N/A 4.3125 in109.538 mm

C - Cup Width

 N/A 1.7500 in44.450 mm

T - Bearing Width across Cups

 N/A 4.2499 in107.947 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 11.06 in281 mm

Db - Cup Backface Backing Diameter

 N/A 13.19 in335.03 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.15 in3.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 40900 lbf182000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 275000 lbf1220000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 71200 lbf317000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 25200 lbf112000 N

Factors

K - Factor7 N/A 1.62
e - ISO Factor8 N/A 0.36
Y1 - ISO Factor9 N/A 1.87
Y2 - ISO Factor10 N/A 2.79

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 1550

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 212
Cg - Geometry Factor11 N/A 0.154

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.