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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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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.
Unit of Measure

Specifications

Rows per Set

 N/A Triplex

Design Units

 N/A Metric

d - Bore

 N/A 100 mm

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Precision Rating

 N/A ISO P4S (ABEC 7/9)

Manufacturing Part Number

 N/A 3MM220WI TUL

World Part Number

 N/A 7220E-T-P4S-TUL

Dimensions

D - Outer Diameter

 N/A 180 mm7.0866 in

Bearing Width

 N/A 34 mm1.3386 in

Total Width

 N/A 102 mm4.0158 in

Contact Angle

 N/A 25 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 121000 N27200 lbf
Ce - Dynamic Radial Rating (per row)1 N/A 157500 N35400 lbf

C1 ISO - Dynamic Radial Rating (per row)

 N/A 143000 N32200 lbf

Factors

Limiting Speed (Grease) (per row)

 N/A 7200 rpm

Limiting Speed (Oil)

 N/A 14400 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 2.1 mm0.079 in
r - Outer Ring "To Clear" Radius3 N/A 2.1 mm0.079 in

da - Inner Ring Backing Diameter

 N/A 114.4 mm4.510 in

Da - Outer Ring Backing Diameter

 N/A 166 mm6.540 in
  • 1 Based on 106 revolutions of calculated fatigue life.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 Maximum shaft fillet radius that bearing corners will clear.
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