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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 LM119300

Cone Part Number

 N/A LM119348D

Design Units

 N/A Imperial

Cage Type

 N/A Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 31400 lbf140000 N

C0 - Static Radial Rating

 N/A 51100 lbf227000 N

Dimensions

d - Cone Bore

 N/A 3 3/4 in95.250 mm

B - Double Cone Width

 N/A 2.2500 in57.150 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.03 in0.800 mm

da - Cone Frontface Backing Diameter

 N/A 4.02 in102 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.03 in0.8 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 8140 lbf36200 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 54600 lbf243000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 14200 lbf63000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 3950 lbf17600 N

Factors

K - Factor7 N/A 2.06

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 149

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 69
Cg - Geometry Factor8 N/A 0.121
  • 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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