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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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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

Dimensions

d - Bore

 N/A 140 mm

D - Outer Diameter

 N/A 250 mm9.8425 in

Bearing Width

 N/A 42 mm1.654 in

Contact Angle

 N/A 40 º

Basic Load Ratings

C0 - Static Radial Rating

 N/A 200000 N47500 lbf
Ce - Dynamic Radial Rating1 N/A 224000 N50000 lbf

Specifications

Ball Type

 N/A STEEL

Cage Type

 N/A Machined Bronze Cage

Design Units

 N/A Metric

Manufacturing Part Number

 N/A 7228WNMBRC1

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 2.5 mm0.098 in
r - Outer Ring "To Clear" Radius3 N/A 2.5 mm0.098 in

da - Inner Ring Backing Diameter

 N/A 181.480 mm7.145 in

Da - Outer Ring Backing Diameter

 N/A 210.110 mm8.272 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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