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Smarter Bearing Selection Is Here

The Timken ® Syber ® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ® Syber ® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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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 217000

Cone Part Number

 N/A EE217063D

Cup Part Number

 N/A 217112

Design Unit

 N/A Inch

Cage Material

 N/A Stamped Steel

Dimensions

d - Bore

 N/A 6.25 in158.750 mm

D - Cup Outer Diameter

 N/A 11.25 in285.750 mm

B - Double Cone Width

 N/A 4.9375 in125.413 mm

C - Cup Width

 N/A 2.1875 in55.563 mm

T - Bearing Width across Cups

 N/A 5.0625 in128.588 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 0.13 in3.300 mm
r - Cup Backface "To Clear" Radius2 N/A 0.250 in6.35 mm

da - Cone Frontface Backing Diameter

 N/A 7.09 in180.1 mm

Db - Cup Backface Backing Diameter

 N/A 9.88 in250.95 mm

Ab - Cage-Cone Frontface Clearance

 N/A 0.05 in1.3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 N/A 41700 lbf185000 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 N/A 280000 lbf1240000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 N/A 72500 lbf323000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 28700 lbf128000 N

Factors

K - Factor7 N/A 1.45
e - ISO Factor8 N/A 0.4
Y1 - ISO Factor9 N/A 1.68
Y2 - ISO Factor10 N/A 2.5
Cg - Geometry Factor11 N/A 0.114

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.
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