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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 93000

Cone Part Number

 N/A 93751DW

Design Units

 N/A Imperial

Cage Type

 N/A Stamped Steel
C1 - Dynamic Radial Rating (1 million revolutions)1 N/A 164000 lbf731000 N

C0 - Static Radial Rating

 N/A 290000 lbf1290000 N

Dimensions

d - Cone Bore

 N/A 7.5 in190.5 mm

B - Double Cone Width

 N/A 5.2500 in133.350 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius2 N/A 0.25 in6.4 mm

da - Cone Frontface Backing Diameter

 N/A 8.74 in222 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.21 in5.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)3 N/A 42600 lbf190000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 286000 lbf1270000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 74200 lbf330000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 38200 lbf170000 N

Factors

K - Factor7 N/A 1.12
Cg - Geometry Factor8 N/A 0.146
  • 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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