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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 LM767700

Cone Part Number

 N/A LM767748DA

Design Units

 N/A Imperial

Cage Type

 N/A Pin-Type
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 317000 lbf1410000 N

C0 - Static Radial Rating

 N/A 699000 lbf3110000 N

Dimensions

d - Cone Bore

 N/A 16.0000 in406.400 mm

B - Double Cone Width

 N/A 5.4375 in138.113 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.06 in1.5 mm

da - Cone Frontface Backing Diameter

 N/A 16.81 in427 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.31 in7.87 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 82100 lbf365000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 551000 lbf2450000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 143000 lbf636000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 66600 lbf296000 N

Factors

K - Factor7 N/A 1.23
Cg - Geometry Factor8 N/A 0.222
  • 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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