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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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Spherical bearings are designed to manage high radial loads even when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present.
Unit of Measure

Specifications

UPC Code

 N/A 087796151499

Design Unit

 N/A Metric

d - Bore

 N/A 55 mm

Lubrication Type

 N/A Standard Grease

Bore_Taper

 N/A 1/12

Cage Type

 N/A EJ

Cage Material

 N/A Steel

Superseded Part

 N/A 21311KCJW33

Factors

e - ISO Factor1 N/A 0.24
Y0 - ISO Factor2 N/A 2.75
Y1 - ISO Factor3 N/A 2.81
Y2 - ISO Factor4 N/A 4.18

Reference Thermal Speed Rating (Grease)

 N/A 4500 rpm
Reference Thermal Speed Rating (Oil)5 N/A 5500 rpm
Cg - Geometry Factor6 N/A 0.051

Dimensions

D - Outer Diameter

 N/A 120 mm4.7244 in

B' - Inner Ring Width

 N/A 29 mm1.1417 in

B - Outer Ring Width

 N/A 29 mm1.1417 in

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius7 N/A 2 mm0.080 in
r - Outer Ring "To Clear" Radius8 N/A 2 mm0.08 in

da - Inner Ring Backing Diameter

 N/A 73.000 mm2.900 in

Da - Outer Ring Backing Diameter

 N/A 108.00 mm4.200 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 188000 N42400 lbf

C1(2) - Dynamic Radial Rating (Two-Rows)

 N/A 176000 N39500 lbf
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 These factors apply for both inch and metric calculations. See engineering
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 See thermal speed ratings in the engineering section.
  • 6 Geometry constant for Lubrication Life Adjustment Factor a3l.
  • 7 Maximum housing fillet radius that bearing corners will clear.
  • 8 These maximum fillet radii will be cleared by the bearing corners.
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